FMCSA National Registry of Certified Medical Examiners (NRCME) Certification Exam — Questions and Answers
Question 1: Which CDL endorsement requires passing both a knowledge test and a skills test?
- N (Tank Vehicle)
- H (Hazardous Materials)
- P (Passenger) (Correct answer)
- T (Double/Triple Trailers)
Correct answer: P (Passenger)
The P (Passenger) endorsement requires both a written knowledge test and a skills test that includes a pre-trip inspection and driving test.
Question 2: What color are Class 6 (Toxic/Poison) HazMat labels?
- Yellow
- White with black skull and crossbones (Correct answer)
- Orange
- Red
Correct answer: White with black skull and crossbones
Class 6 toxic/poison labels are white with a black skull and crossbones symbol to warn of serious health hazards.
Question 3: What is the minimum number of tie-downs required to secure a CMV being transported on a trailer?
- 1
- 6
- 4 (Correct answer)
- 2
Correct answer: 4
FMCSA cargo securement rules (49 CFR 393.130) require at least 4 tie-downs for securing a CMV on a transport vehicle.
Question 4: What is the legal Blood Alcohol Concentration (BAC) limit for commercial drivers according to FMCSA regulations?
- 0.02%
- 0.08%
- 0.04% (Correct answer)
- 0.06%
Correct answer: 0.04%
According to FMCSA regulations, the legal Blood Alcohol Concentration (BAC) limit for commercial drivers is significantly lower than for non-commercial drivers, set at 0.04%. This stricter limit reflects the heightened responsibility and potential for severe consequences associated with operating large commercial vehicles. Even a BAC of 0.02% can lead to an out-of-service order for 24 hours, emphasizing the FMCSA's zero-tolerance approach to alcohol impairment in commercial driving.
Question 5: What is the minimum number of tie-downs required for a single piece of cargo that is 20 feet long?
- 3
- 2 (Correct answer)
- 4
- 1
Correct answer: 2
Cargo up to 20 feet in length requires at least 2 tie-downs; an additional tie-down is required for each additional 10 feet.
Question 6: What is the maximum tandem axle weight allowed on Interstate highways under federal law?
- 40,000 lbs
- 30,000 lbs
- 34,000 lbs (Correct answer)
- 36,000 lbs
Correct answer: 34,000 lbs
Federal law sets the maximum tandem axle weight at 34,000 lbs on Interstate highways.
Question 7: Under FMCSA rules, a driver found to have a blood alcohol concentration (BAC) of 0.04 or greater while on duty must:
- Be immediately reported to law enforcement
- Be placed out of service for 24 hours (Correct answer)
- Have their CDL suspended for 30 days
- Be placed out of service for 8 hours
Correct answer: Be placed out of service for 24 hours
A BAC of 0.04 or greater places the driver out of service for 24 hours; the 0.04 limit is lower than the standard 0.08 for CMV drivers.
Question 8: Which parties are authorized to inspect a motor carrier's accident register?
- The carrier's insurance company and legal representatives only
- Any member of the public who submits a FOIA request
- Authorized federal, state, and local officials with jurisdiction over the carrier (Correct answer)
- Only state law enforcement officers
Correct answer: Authorized federal, state, and local officials with jurisdiction over the carrier
Accident registers must be made available for inspection by authorized federal, state, and local officials, including FMCSA investigators and state enforcement officers.
Question 9: What is the primary purpose of the FMCSA’s Electronic Logging Device (ELD) mandate?
- To provide navigation assistance to drivers
- To increase fuel efficiency
- To monitor driver behavior and ensure compliance with Hours of Service (HOS) regulations (Correct answer)
- To track vehicle maintenance schedules
Correct answer: To monitor driver behavior and ensure compliance with Hours of Service (HOS) regulations
The FMCSA's Electronic Logging Device (ELD) mandate was primarily implemented to improve compliance with Hours of Service (HOS) regulations. ELDs automatically record driving time, making it more difficult for drivers to falsify logs and operate beyond legal limits. This helps reduce driver fatigue, thereby enhancing safety on the nation's roadways by ensuring commercial drivers get adequate rest.
Question 10: What is the maximum allowable kingpin-to-rear-axle length for a single CMV trailer under federal bridge formula rules?
- 43 feet
- 46 feet
- 38 feet
- 41 feet (Correct answer)
Correct answer: 41 feet
The federal bridge formula limits the kingpin-to-rear-axle (KPRA) distance to 41 feet for a single trailer.
Question 11: Where must a motor carrier's accident register be maintained?
- At the motor carrier's principal place of business (Correct answer)
- With the driver's personnel file at the hiring terminal
- In the CMV's cab at all times
- At the nearest state DOT office
Correct answer: At the motor carrier's principal place of business
The accident register must be kept at the motor carrier's principal place of business and be available for authorized inspection.
Question 12: Under FMCSA rules, which hearing standard must a CMV driver meet?
- No specific standard — physician's discretion
- 20/40 hearing acuity in each ear
- Pass a standardized audiogram test only
- Perceive a forced whispered voice at 5 feet in the better ear (Correct answer)
Correct answer: Perceive a forced whispered voice at 5 feet in the better ear
Drivers must be able to perceive a forced whispered voice in the better ear at not less than 5 feet with or without a hearing aid.
Question 13: A CMV driver has a minor collision in which the other driver walks away with no complaints and both vehicles drive away under their own power. Is this a recordable accident?
- No, only if the driver has a clean safety record
- Yes, because police may file a report
- No, because it does not meet any of the three FMCSA recordability criteria (Correct answer)
- Yes, because any CMV collision must be recorded
Correct answer: No, because it does not meet any of the three FMCSA recordability criteria
If there are no fatalities, no injuries requiring off-scene medical treatment, and no vehicles that need towing, the incident is not recordable under 49 CFR 390.15.
Question 14: What document must a driver have accessible when transporting hazardous materials?
- A state hazmat permit
- Vehicle registration and insurance card
- A PHMSA permit number
- Shipping papers describing the HazMat (Correct answer)
Correct answer: Shipping papers describing the HazMat
Shipping papers (e.g., a bill of lading) describing the hazardous material must be accessible to the driver at all times during transport.
Question 15: What is the most common type of roadside inspection conducted by the FMCSA?
- Level II: Walk-Around Driver/Vehicle Inspection
- Level I: North American Standard Inspection (Correct answer)
- Level VI: Enhanced NAS Inspection for Radioactive Shipments
- Level III: Driver-Only Inspection
Correct answer: Level I: North American Standard Inspection
The Level I: North American Standard Inspection is the most common and comprehensive type of roadside inspection conducted by the FMCSA. This inspection involves a thorough examination of both the driver (including license, medical certificate, and HOS records) and the vehicle (including brakes, tires, lights, and cargo securement), ensuring full compliance with safety regulations.
Question 16: What must a medical examiner list on the Medical Examiner's Certificate if a driver requires corrective lenses?
- The driver's prescription strength
- A restriction stating corrective lenses are required (Correct answer)
- The optometrist's contact information
- No notation needed — just pass the exam
Correct answer: A restriction stating corrective lenses are required
If a driver uses corrective lenses to meet vision standards, the MEC must include a restriction requiring their use while driving.
Question 17: What is the maximum blood pressure level at which a CMV driver can still be medically certified, even with a shortened certification period?
- 160/90
- 200/120
- 190/110 (Correct answer)
- 180/100
Correct answer: 190/110
Drivers with blood pressure of 180/110 (Stage 2) can be certified for one year with treatment, but Stage 3 (190/110+) is disqualifying.
Question 18: What is required of a driver if an ELD malfunctions?
- The driver must continue driving without logging hours until the ELD is fixed
- The driver must stop operating the vehicle until the ELD is repaired
- The driver can manually input data into the malfunctioning ELD
- The driver must immediately notify the carrier and switch to paper logs until the device is repaired or replaced (Correct answer)
Correct answer: The driver must immediately notify the carrier and switch to paper logs until the device is repaired or replaced
If an Electronic Logging Device (ELD) malfunctions, FMCSA regulations require the driver to immediately notify their motor carrier. The driver must then revert to using paper logs or other approved manual methods to record their Hours of Service until the ELD is repaired or replaced. The carrier has a limited timeframe (typically 8 days) to repair or replace the malfunctioning device to ensure continuous compliance with HOS rules.
Question 19: Which condition would disqualify a driver from obtaining a DOT medical certificate?
- Controlled hypertension within Stage 2
- Corrected vision with glasses
- Epilepsy requiring anticonvulsant medication (Correct answer)
- Hearing loss corrected with a hearing aid
Correct answer: Epilepsy requiring anticonvulsant medication
Epilepsy requiring anticonvulsant medication is a disqualifying condition because it poses a safety risk when driving.
Question 20: What types of drug testing are required under FMCSA regulations?
- Pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up (Correct answer)
- Only random and post-accident
- Only post-accident testing
- Pre-employment and annual testing only
Correct answer: Pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up
FMCSA regulations mandate a comprehensive drug and alcohol testing program for commercial drivers, encompassing several specific types of tests. These include pre-employment to screen new hires, random testing for ongoing deterrence, post-accident testing when certain criteria are met, and reasonable suspicion testing based on observable signs. Additionally, return-to-duty and follow-up tests are required for drivers who have violated drug and alcohol prohibitions to ensure their continued sobriety before and after returning to safety-sensitive functions.
Question 21: What is the primary purpose of a 'front-end header board' on a flatbed trailer?
- Allow stacking of cargo at the front of the trailer
- Protect the cab from cargo shifting or penetrating forward (Correct answer)
- Reduce wind drag on the load
- Serve as a mounting point for tie-downs
Correct answer: Protect the cab from cargo shifting or penetrating forward
A front-end header board (also called a headache rack) protects the cab and driver if cargo shifts or slides forward during a sudden stop.
Question 22: What is the color vision requirement for CMV drivers under FMCSA standards?
- Perfect full-color vision required
- No color vision requirement exists
- Ability to recognize and distinguish colors of traffic signals and devices showing red, green, and amber (Correct answer)
- 20/20 color perception in each eye
Correct answer: Ability to recognize and distinguish colors of traffic signals and devices showing red, green, and amber
Drivers must be able to distinguish the red, green, and amber colors of traffic signals — full color blindness is not required to be certified.
Question 23: Which of the following best describes a 'preventable' accident in FMCSA compliance terminology?
- An accident where mechanical failure was not the primary cause
- Any accident where the CMV driver received a moving violation citation
- Any accident involving a fatality or serious bodily injury
- An accident that a reasonably alert driver exercising due care could have avoided (Correct answer)
Correct answer: An accident that a reasonably alert driver exercising due care could have avoided
FMCSA's preventable accident standard focuses on whether a reasonably careful and alert driver could have taken action to avoid the crash, regardless of fault assignment.
Question 24: What is the minimum tread depth required for front steering axle tires on a CMV under FMCSA regulations?
- 8/32 inch
- 2/32 inch
- 4/32 inch (Correct answer)
- 6/32 inch
Correct answer: 4/32 inch
FMCSA requires front steering axle tires to have a minimum tread depth of 4/32 inch (49 CFR 393.75).
Question 25: If a vehicle is placed out of service during a roadside inspection, what does that mean?
- The vehicle must be towed to the nearest service station
- The driver will lose their commercial driver’s license (CDL)
- The vehicle or driver is not allowed to continue operating until the specified violation is corrected (Correct answer)
- The driver must pay a fine immediately
Correct answer: The vehicle or driver is not allowed to continue operating until the specified violation is corrected
When a vehicle or driver is placed out of service during a roadside inspection, it means they are prohibited from continuing their operation until all identified critical safety violations are corrected. This action is taken to prevent unsafe vehicles or drivers from posing a hazard on the road, and operations can only resume once the vehicle is repaired or the driver's compliance issue is resolved.
Question 26: How long must ELD data be retained by the carrier, according to FMCSA regulations?
- 6 months (Correct answer)
- 3 months
- 2 years
- 1 year
Correct answer: 6 months
According to FMCSA regulations, motor carriers are required to retain ELD data and supporting documents for a period of six months. This retention period allows for auditing and verification of drivers' Hours of Service records by enforcement officials. Maintaining these records is crucial for demonstrating compliance with HOS rules and ensuring accountability within the commercial motor vehicle industry.
Question 27: What is the primary regulatory purpose of requiring motor carriers to maintain an accident register?
- To document safety incidents for regulatory evaluation and carrier self-assessment (Correct answer)
- To provide accident data for insurance premium calculations
- To comply with state DMV reporting requirements
- To establish driver fault in civil liability proceedings
Correct answer: To document safety incidents for regulatory evaluation and carrier self-assessment
The accident register creates a systematic safety record that FMCSA investigators and carriers use to evaluate safety performance and identify trends.
Question 28: How long must a motor carrier retain records of periodic vehicle inspections?
- 3 years
- 1 year
- 6 months
- 14 months (Correct answer)
Correct answer: 14 months
Periodic inspection records must be retained for 14 months from the inspection date under 49 CFR 396.21.
Question 29: Under what circumstance must a CDL holder report a traffic conviction to their employer?
- Only for convictions while driving a CMV
- Only if convicted in the same state as their CDL
- Within 30 days, regardless of the vehicle type driven (Correct answer)
- Only if the conviction results in points on their license
Correct answer: Within 30 days, regardless of the vehicle type driven
CDL holders must report all traffic convictions to their employer within 30 days, regardless of the vehicle being driven.
Question 30: Who is responsible for ensuring a CMV is in safe operating condition according to FMCSA?
- Only the motor carrier
- Only the driver
- The vehicle manufacturer
- Both the driver and the motor carrier (Correct answer)
Correct answer: Both the driver and the motor carrier
49 CFR 396.7 holds both the driver and the motor carrier jointly responsible for maintaining a CMV in safe operating condition.
Question 31: If a CMV driver is prescribed a new medication, what is the driver's responsibility under FMCSA rules?
- Notify the carrier and confirm with a medical examiner that the medication does not affect safe driving (Correct answer)
- Stop taking the medication while driving
- Take a reduced dose while operating a CMV
- No action required unless the medication causes drowsiness
Correct answer: Notify the carrier and confirm with a medical examiner that the medication does not affect safe driving
Drivers must ensure any prescribed medication does not impair their ability to drive safely and should inform their carrier and medical examiner.
Question 32: A CMV driver is involved in a minor collision entirely on private property (a loading dock). Under FMCSA accident register requirements, what applies?
- The accident must be recorded because a CMV was involved
- Private property accidents are not covered under 49 CFR 390.15, which applies to public roads (Correct answer)
- The accident must be recorded only if the CMV driver was cited
- Private property accidents must be reported to FMCSA within 72 hours
Correct answer: Private property accidents are not covered under 49 CFR 390.15, which applies to public roads
FMCSA's accident recordability requirements under 49 CFR 390.15 apply to accidents occurring on public roads — private property incidents are outside this scope.
Question 33: Which vehicles are exempt from the FMCSA’s ELD mandate?
- Passenger vehicles used for non-commercial purposes
- Vehicles used exclusively for agricultural purposes
- All vehicles under 26,000 pounds
- All vehicles older than the year 2000 (Correct answer)
Correct answer: All vehicles older than the year 2000
The FMCSA's ELD mandate includes several exemptions, one significant exemption being for vehicles manufactured before the year 2000. This exemption is primarily due to the technological limitations of older vehicles, which may not be equipped with the necessary electronic control modules (ECMs) to support ELD integration. Drivers of these older vehicles are still required to maintain records of duty status, typically through paper logs.
Question 34: How many days does a motor carrier have to correct a defect reported on a DVIR before operating the vehicle?
- The defect must be repaired before the vehicle is operated again (Correct answer)
- Within 48 hours
- Within 24 hours
- Within 7 business days
Correct answer: The defect must be repaired before the vehicle is operated again
A carrier must repair or certify the defect does not affect safety before the vehicle may return to service.
Question 35: How must working load limit (WLL) be used when calculating tie-down requirements for cargo?
- Total tie-down WLL must equal the cargo weight exactly
- Sum of all tie-down WLLs must equal or exceed 50% of the cargo weight (Correct answer)
- Each tie-down must independently support the full cargo weight
- WLL is irrelevant — only tie-down quantity matters
Correct answer: Sum of all tie-down WLLs must equal or exceed 50% of the cargo weight
The aggregate WLL of all tie-downs must equal at least 50% of the cargo weight as a minimum securement requirement under 49 CFR 393.102.
Question 36: Which CDL class is required to operate a vehicle combination with a GVWR over 26,001 lbs and a towed unit over 10,001 lbs?
- Class A (Correct answer)
- Class D
- Class C
- Class B
Correct answer: Class A
A Class A CDL is required for any combination vehicle with a GCWR over 26,001 lbs when the towed unit exceeds 10,001 lbs GVWR.
Question 37: How must a driver's medical certificate information be handled after the FMCSA Medical Registry rule took effect?
- Drivers mail their MEC to FMCSA directly
- Carriers hold all MECs on file only
- Medical examiners electronically submit results to FMCSA's National Registry (Correct answer)
- Drivers self-report annually to their state DMV
Correct answer: Medical examiners electronically submit results to FMCSA's National Registry
Certified medical examiners must electronically submit examination results to FMCSA's National Registry within 24 hours of completing the exam.
Question 38: Which FMCSA exemption allows certain drivers with physical impairments to operate CMVs despite not meeting standard medical criteria?
- FMCSA Vision and Diabetes Exemption Programs (Correct answer)
- Medical Review Officer (MRO) exemption
- ADA accommodation waiver
- State-issued medical variance
Correct answer: FMCSA Vision and Diabetes Exemption Programs
FMCSA administers exemption programs for vision, diabetes, and other conditions, allowing qualifying drivers to operate CMVs under specific conditions.
Question 39: How many years of accident register data must be available during an FMCSA compliance review?
- 1 year
- 5 years
- 2 years
- 3 years (Correct answer)
Correct answer: 3 years
Motor carriers must retain accident registers for three years after the date of each accident, making three years of data available for compliance reviews.
Question 40: Which of the following scenarios involves a CMV accident that IS recordable under FMCSA regulations?
- A CMV driver files a self-report about a near-miss event
- A CMV receives a traffic citation for an improper lane change
- A CMV's cargo shifts during a sharp turn, causing no injuries
- A CMV strikes a utility pole and must be towed from the scene (Correct answer)
Correct answer: A CMV strikes a utility pole and must be towed from the scene
When a CMV is involved in an accident that results in the vehicle requiring towing due to disabling damage, it qualifies as a recordable accident.
Question 41: What action must be taken if a commercial driver tests positive for drugs or alcohol?
- The driver must take a refresher course in driver safety
- The driver is immediately suspended without pay for 30 days
- The driver is given a warning and allowed to continue working
- The driver must be removed from safety-sensitive duties and referred to a substance abuse professional (SAP) (Correct answer)
Correct answer: The driver must be removed from safety-sensitive duties and referred to a substance abuse professional (SAP)
If a commercial driver tests positive for drugs or alcohol, FMCSA regulations require immediate removal from all safety-sensitive functions. The driver cannot return to duty until they have been evaluated by a qualified Substance Abuse Professional (SAP). The SAP then prescribes a course of treatment and education, and the driver must complete this process and pass a return-to-duty test before being considered for reinstatement.
Question 42: Which of the following accidents would NOT be recordable under FMCSA regulations?
- A CMV sideswipes a barrier, sustaining minor scratches, with no injuries and no towing required (Correct answer)
- A CMV collision results in one fatality
- A pedestrian struck by a CMV is transported to the emergency room
- A CMV strikes a parked car, disabling it and requiring it to be towed
Correct answer: A CMV sideswipes a barrier, sustaining minor scratches, with no injuries and no towing required
Without a fatality, off-scene medical treatment, or towing, a minor scraping incident does not meet any of FMCSA's three recordable accident criteria.
Question 43: Under FMCSA rules, what is required when transporting logs on a CMV?
- Stakes, bunks, or equivalent front-end protection plus tie-downs meeting load-specific WLL (Correct answer)
- A DOT-approved log carrier permit
- Standard tie-downs only
- Logs must be enclosed in a sealed container
Correct answer: Stakes, bunks, or equivalent front-end protection plus tie-downs meeting load-specific WLL
Log transport requires stakes or bunks to prevent lateral movement plus tie-downs meeting the specific aggregate WLL for the load.
Question 44: Which HazMat endorsement test must be retaken every time a CDL is renewed?
- Hazardous Materials (H) endorsement (Correct answer)
- Double/Triple (T) endorsement
- Tank (N) endorsement
- Passenger (P) endorsement
Correct answer: Hazardous Materials (H) endorsement
The H (Hazardous Materials) endorsement knowledge test must be retaken at every CDL renewal because it also requires TSA background check renewal.
Question 45: A driver transporting HazMat is NOT allowed to smoke within how many feet of the vehicle?
- 100 feet
- 50 feet
- 10 feet
- 25 feet (Correct answer)
Correct answer: 25 feet
Federal HazMat regulations prohibit smoking within 25 feet of a vehicle carrying Class 1 (explosives), Class 3 (flammable liquids), or Class 2.1 (flammable gas) materials.
Question 46: Under FMCSA rules, cargo must be contained, immobilized, or secured to prevent:
- Shifting, falling off, or leaking in a way that creates a safety hazard (Correct answer)
- Slowing down the vehicle
- Damage to the cargo itself
- Any movement whatsoever during transport
Correct answer: Shifting, falling off, or leaking in a way that creates a safety hazard
FMCSA requires cargo to be secured so it cannot shift, fall off, or leak in a manner that would endanger the driver, others, or property.
Question 47: How is the weight of a vehicle determined at a weigh station if the total is over the legal limit?
- Driver is directed off the highway until the load is redistributed or a permit is obtained (Correct answer)
- A fine is collected on the spot and the driver continues
- The carrier is notified and the driver parks overnight
- Driver is immediately arrested
Correct answer: Driver is directed off the highway until the load is redistributed or a permit is obtained
Overweight vehicles must exit the highway and either redistribute the load, obtain a special permit, or off-load excess weight before continuing.
Question 48: Which of the following is considered a 'serious traffic violation' for CDL disqualification purposes?
- Speeding 15 or more mph over the limit (Correct answer)
- Failing to signal a lane change
- Running a yellow light
- Driving 6 mph over the speed limit
Correct answer: Speeding 15 or more mph over the limit
Speeding 15 mph or more over the posted limit is classified as a serious traffic violation under 49 CFR 383.51.
Question 49: Which of the following information is required in a motor carrier's accident register?
- Driver's CDL number and endorsements held
- Insurance policy number and deductible amount
- Number of fatalities, injuries, and whether hazardous materials were released (Correct answer)
- Vehicle weight, cargo description, and shipper information
Correct answer: Number of fatalities, injuries, and whether hazardous materials were released
The accident register must include the accident date, location, driver name, number of injuries, number of fatalities, and whether hazardous materials were released.
Question 50: What is the federal maximum width for a CMV operating on Interstate highways?
- 96 inches (8 feet)
- 120 inches (10 feet)
- 102 inches (8.5 feet) (Correct answer)
- 108 inches (9 feet)
Correct answer: 102 inches (8.5 feet)
The federal maximum width for a CMV on Interstate highways is 102 inches (8.5 feet) excluding safety devices.
Question 51: Which of the following HazMat classes has NO minimum quantity threshold for placarding?
- Class 3 (Flammable Liquid)
- Division 2.2 (Non-flammable Gas)
- Class 7 (Radioactive) (Correct answer)
- Class 8 (Corrosive)
Correct answer: Class 7 (Radioactive)
Radioactive materials (Class 7) must be placarded in any quantity because of the extreme danger they pose.
Question 52: What is the minimum working load limit (WLL) for a chain used to secure a 40,000 lb load?
- 10,000 lbs per chain
- Any chain rated above 5,000 lbs
- 40,000 lbs per chain
- At least 20,000 lbs aggregate across all chains used (Correct answer)
Correct answer: At least 20,000 lbs aggregate across all chains used
The aggregate WLL of all tie-downs must be at least 50% of the cargo weight, so a 40,000 lb load requires at least 20,000 lbs aggregate WLL.
Question 53: What placards must be displayed when transporting 1,001 lbs or more of a Division 1.1 explosive?
- No placard required under 2,000 lbs
- EXPLOSIVES 1.1 placards on all four sides (Correct answer)
- FLAMMABLE placards
- DANGEROUS placard only on the rear
Correct answer: EXPLOSIVES 1.1 placards on all four sides
Any amount of Division 1.1 explosives requires EXPLOSIVES 1.1 placards on all four sides of the vehicle.
Question 54: Which FMCSA regulation covers the securement of heavy vehicles, equipment, and machinery?
- 49 CFR 393.130 (Correct answer)
- 49 CFR 395.3
- 49 CFR 396.17
- 49 CFR 393.100
Correct answer: 49 CFR 393.130
49 CFR 393.130 specifically covers the securement of heavy vehicles, equipment, and machinery transported on CMVs.
Question 55: What is the only exemption program that allows a driver with insulin-treated diabetes to operate a CMV in interstate commerce?
- Employer medical accommodation
- State diabetic waiver
- ADA accommodation request
- FMCSA Insulin-Treated Diabetes Mellitus Exemption Program (Correct answer)
Correct answer: FMCSA Insulin-Treated Diabetes Mellitus Exemption Program
The FMCSA ITDM Exemption Program allows qualifying insulin-treated diabetic drivers to operate CMVs after rigorous evaluation.
Question 56: Which HazMat material requires the driver to have a written route plan before transporting?
- Class 5.1 Oxidizers over 500 lbs
- Class 8 Corrosives over 1,000 lbs
- Class 3 Flammable Liquids over 5,000 gallons
- Division 1.1 and 1.2 explosives (Correct answer)
Correct answer: Division 1.1 and 1.2 explosives
Carriers transporting Division 1.1 or 1.2 explosives must have a written route plan and follow pre-approved routes.
Question 57: When does vehicle damage make an accident 'recordable' under FMCSA rules?
- When repair costs exceed $500
- When the vehicle's airbags deploy
- When the vehicle sustains any visible damage
- When the vehicle must be transported away from the scene because it cannot be driven (Correct answer)
Correct answer: When the vehicle must be transported away from the scene because it cannot be driven
Disabling damage that requires a vehicle to be transported away from the scene (towed) is one of the three criteria that makes an accident recordable under 49 CFR 390.15.
Question 58: Under FMCSA rules, a DVIR that shows no defects must be signed by:
- Neither — no defects means no signature needed
- The carrier only
- A certified mechanic
- The driver only (Correct answer)
Correct answer: The driver only
Even when no defects are found, the driver must sign the DVIR to certify the vehicle was inspected and found to be in satisfactory condition.
Question 59: What physical examination requirement applies specifically to drivers with a history of cardiovascular disease?
- Medical examiner discretion based on current condition and treatment (Correct answer)
- Annual stress test required
- Semi-annual echocardiogram required
- Automatic disqualification from CMV operation
Correct answer: Medical examiner discretion based on current condition and treatment
The medical examiner evaluates cardiovascular history on a case-by-case basis, considering the current condition, treatment, and risk to safe driving.
Question 60: A driver who is fatigued to the point of impaired driving must:
- Consume caffeine and continue with caution
- Stop and rest before continuing to drive (Correct answer)
- Call dispatch for authorization to continue
- Reduce their speed and continue
Correct answer: Stop and rest before continuing to drive
FMCSA regulations prohibit operating a CMV while fatigued — drivers must stop and rest until they are fit to drive.
Question 61: What is the purpose of an Emergency Response Guidebook (ERG) in a HazMat transport context?
- To help first responders identify hazards and respond to HazMat incidents (Correct answer)
- To calculate HazMat shipping charges
- To document driver HazMat training
- To replace shipping papers when unavailable
Correct answer: To help first responders identify hazards and respond to HazMat incidents
The ERG provides first responders with quick identification and initial action guidance for hazardous materials incidents.
Question 62: Where must shipping papers be kept while a driver is at the wheel of a HazMat vehicle?
- Faxed to dispatch — no hard copy needed
- Within reach of the driver or in a pouch on the driver's door (Correct answer)
- In the glove compartment
- In the trailer with the cargo
Correct answer: Within reach of the driver or in a pouch on the driver's door
Shipping papers must be within the driver's reach or in a clearly visible pouch on the driver's door while in motion.
Question 63: What is the proper response if a driver discovers a HazMat package is leaking before loading?
- Load it if leakage appears minor
- Load it and report to the receiver
- Wrap it in plastic and load it anyway
- Refuse to transport it and notify the shipper (Correct answer)
Correct answer: Refuse to transport it and notify the shipper
Drivers must refuse to accept and transport any leaking HazMat package and must notify the shipper immediately.
Question 64: What must a driver do if they must stop in a tunnel while carrying HazMat?
- Notify tunnel authorities by radio and keep moving
- Stop and turn on hazard lights
- Try to avoid stopping; if unavoidable, move to the right and use hazard lights (Correct answer)
- Exit the vehicle and wait outside
Correct answer: Try to avoid stopping; if unavoidable, move to the right and use hazard lights
HazMat drivers should avoid stopping in tunnels; if unavoidable, they must move as far right as possible and activate hazard lights.
Question 65: Which document must accompany a CMV that has passed its annual periodic inspection?
- A DOT registration certificate
- A state safety certificate
- An inspection report or decal showing the inspection date (Correct answer)
- A carrier's insurance form
Correct answer: An inspection report or decal showing the inspection date
An inspection report or a decal must be kept on the vehicle as evidence it passed its most recent annual periodic inspection.
Question 66: When a CMV accident results in a hazardous materials release, which federal entity must be notified?
- The Federal Aviation Administration (FAA)
- The FMCSA Regional Director
- The Department of Homeland Security Command Center
- The National Response Center (Correct answer)
Correct answer: The National Response Center
Hazardous materials releases must be reported to the National Response Center (1-800-424-8802), which coordinates federal emergency response.
Question 67: What is the minimum age requirement to operate a CMV in interstate commerce under FMCSA regulations?
- 25 years old
- 16 years old
- 21 years old (Correct answer)
- 18 years old
Correct answer: 21 years old
FMCSA requires drivers operating CMVs in interstate commerce to be at least 21 years old (49 CFR 391.11).
Question 68: During a roadside inspection, what documents might a driver be required to present?
- Load manifest and vehicle purchase agreement
- Driver’s license, medical certificate, and logbook (Correct answer)
- Toll receipts and trip permits
- Vehicle registration, insurance papers, and fuel receipts
Correct answer: Driver’s license, medical certificate, and logbook
During a roadside inspection, commercial drivers are typically required to present their valid commercial driver’s license (CDL), a current medical certificate proving physical qualification, and their record of duty status (logbook or ELD data) to demonstrate compliance with Hours of Service regulations. These documents are essential for verifying the driver's legal and physical ability to operate the vehicle safely.
Question 69: What endorsement does a driver need to haul liquid or gaseous material in a tank vehicle with a capacity of 1,000 gallons or more?
- T endorsement
- H endorsement
- X endorsement
- N endorsement (Correct answer)
Correct answer: N endorsement
The N (Tank Vehicle) endorsement is required to operate tank vehicles with a capacity of 1,000 gallons or more.
Question 70: A CDL holder must notify their employer of a driver's license suspension within:
- 30 days
- 24 hours (Correct answer)
- 7 days
- 3 business days
Correct answer: 24 hours
CDL holders must notify their employer the business day after their driver's license is suspended, revoked, or disqualified.
Question 71: Under FMCSA rules, how many CDLs may a commercial driver hold at one time?
- As many as they qualify for
- One per state they drive in
- Two if they operate in different states
- Only one CDL in one state (Correct answer)
Correct answer: Only one CDL in one state
Federal law prohibits a driver from holding more than one CDL — they may only have one CDL issued by their state of domicile.
Question 72: What is the minimum distance a driver must park from the edge of a road when stopped with a HazMat load (other than Division 1.1, 1.2, or 1.3 explosives)?
- 10 feet
- 100 feet (Correct answer)
- 50 feet
- 300 feet
Correct answer: 100 feet
HazMat vehicles (other than those carrying Divisions 1.1, 1.2, or 1.3 explosives) must be parked at least 100 feet from the road edge.
Question 73: Under FMCSA Part 396, which party may certify a periodic inspection was performed?
- Any licensed mechanic
- A DOT officer only
- The driver who operates the vehicle
- Any individual qualified under 49 CFR 396.19 (Correct answer)
Correct answer: Any individual qualified under 49 CFR 396.19
Only individuals who meet the qualifications outlined in 49 CFR 396.19 are authorized to perform and certify periodic CMV inspections.
Question 74: Which of the following records must an ELD automatically capture?
- Fuel consumption, tire pressure, and cargo weight
- Vehicle location, engine hours, and driver identification (Correct answer)
- Driver's speed, braking patterns, and fuel efficiency
- Trip expenses, toll payments, and road conditions
Correct answer: Vehicle location, engine hours, and driver identification
Electronic Logging Devices (ELDs) are designed to automatically capture specific data points to accurately record a driver's Hours of Service. Key information automatically recorded includes the vehicle's location, engine hours, vehicle miles, and driver identification. This automated data collection helps ensure the accuracy and integrity of HOS records, reducing the potential for falsification and improving overall compliance.
Question 75: What is the consequence if a CMV driver does not stop at an open weigh station?
- Warning only on first offense
- Immediate CDL suspension
- Only penalized if overweight
- Civil fine and possible out-of-service order (Correct answer)
Correct answer: Civil fine and possible out-of-service order
Bypassing an open weigh station is a violation that can result in civil fines and potential out-of-service orders regardless of vehicle weight.
Question 76: What must a driver do if a vehicle defect is discovered during a pre-trip inspection?
- Fix it before submitting any paperwork
- Notify the DOT immediately
- Report it on the Driver Vehicle Inspection Report (DVIR) (Correct answer)
- Continue driving if defect seems minor
Correct answer: Report it on the Driver Vehicle Inspection Report (DVIR)
Drivers must document any defects on the DVIR so the carrier can address repairs before the vehicle returns to service.
Question 77: What vision requirement must a CMV driver meet to obtain a DOT medical certificate?
- No specific standard — a physician decides
- 20/20 uncorrected in each eye
- 20/30 in the better eye only
- At least 20/40 acuity in each eye (with or without correction) (Correct answer)
Correct answer: At least 20/40 acuity in each eye (with or without correction)
FMCSA requires at least 20/40 acuity in each eye (with or without correction) and at least 70-degree horizontal field of vision.
Question 78: Under FMCSA regulations, how often must a motor carrier inspect each commercial motor vehicle?
- At least once every 12 months (Correct answer)
- Every 30 days
- Every 90 days
- Every 6 months
Correct answer: At least once every 12 months
FMCSA requires that every CMV be systematically inspected at least once every 12 months (49 CFR 396.17).
Question 79: Under what circumstance may a driver be issued a shorter-than-2-year medical certificate?
- If the driver is over age 65
- If the driver failed the hearing test
- If the driver operates only intrastate
- If the driver has a condition requiring monitoring, like controlled hypertension (Correct answer)
Correct answer: If the driver has a condition requiring monitoring, like controlled hypertension
Medical examiners may issue a certificate for less than 2 years when a driver has a condition that warrants closer monitoring, such as Stage 1 hypertension.
Question 80: Which type of cargo requires special vertical load securement using chains rated to the load's weight?
- Dry bulk grain
- Paper products in enclosed trailers
- Fresh produce on flatbeds
- Intermodal containers (Correct answer)
Correct answer: Intermodal containers
Intermodal containers must be secured with twist locks or chains rated to handle the vertical and horizontal forces of the container.
Question 81: A flatbed driver loading 48 feet of steel coils must check cargo securement:
- Only at origin and destination
- Within the first 50 miles and then every 3 hours or 150 miles (Correct answer)
- Every 50 miles throughout the trip
- At every fuel stop regardless of mileage
Correct answer: Within the first 50 miles and then every 3 hours or 150 miles
FMCSA requires cargo securement checks within the first 50 miles after loading and then every 3 hours or 150 miles, whichever comes first.
Question 82: Under FMCSA regulations, which of the following triggers recordability for an accident involving bodily injury?
- The CMV driver receives a traffic violation citation at the scene
- The accident occurs on a state highway
- The accident occurs during a pre-trip inspection
- A person involved in the accident receives medical treatment away from the scene (Correct answer)
Correct answer: A person involved in the accident receives medical treatment away from the scene
Bodily injury requiring medical treatment away from the scene of the accident is one of the three criteria that triggers recordability under 49 CFR 390.15.
Question 83: What does the federal bridge formula primarily protect?
- Weight station operations
- Road surfaces and bridges from excessive axle loads (Correct answer)
- Driver safety in collisions
- Cargo from shifting during cornering
Correct answer: Road surfaces and bridges from excessive axle loads
The federal bridge formula limits axle spacing and weight to prevent road surfaces and bridge structures from being damaged by excessive loads.
Question 84: Which of the following CMV accidents would NOT be recordable under FMCSA regulations?
- A CMV rear-ends a car, disabling it and requiring a tow truck
- A CMV strikes a cyclist who is taken to the hospital by ambulance
- A CMV sideswipes a guardrail with minor damage; the driver changes a flat tire and continues driving (Correct answer)
- A CMV accident results in two fatalities
Correct answer: A CMV sideswipes a guardrail with minor damage; the driver changes a flat tire and continues driving
Without any fatality, off-scene medical treatment, or towing required, a minor guardrail scrape with a self-resolved tire change is not recordable.
Question 85: Under HazMat regulations, how soon must a carrier report a HazMat incident involving death or hospitalization?
- Within 12 hours
- Within 30 days in writing
- Within 48 hours to FMCSA only
- Within 24 hours by telephone to DOT (Correct answer)
Correct answer: Within 24 hours by telephone to DOT
Incidents involving a death, serious injury, or significant property damage must be reported to DOT by telephone within 24 hours.
Question 86: Which lighting defect would result in an out-of-service order for a CMV?
- License plate light flickering
- Required headlamp inoperative (Correct answer)
- One non-required interior light out
- Cargo light not working
Correct answer: Required headlamp inoperative
An inoperative required headlamp is a Federal Out-of-Service criterion because it directly compromises safety.
Question 87: Which sleep disorder must be evaluated and treated before a driver can obtain a full 2-year medical certificate?
- Obstructive Sleep Apnea (OSA) (Correct answer)
- Insomnia
- Restless leg syndrome
- Periodic limb movement disorder
Correct answer: Obstructive Sleep Apnea (OSA)
Obstructive Sleep Apnea poses a significant crash risk; drivers with OSA must be effectively treated before receiving a full medical certification.
Question 88: Under FMCSA cargo securement rules, what is the maximum Federal gross vehicle weight for a CMV on the Interstate Highway System?
- 73,280 lbs
- 90,000 lbs
- 80,000 lbs (Correct answer)
- 85,000 lbs
Correct answer: 80,000 lbs
The federal gross vehicle weight limit on Interstate highways is 80,000 lbs unless a state-issued special permit allows more.
Question 89: Which federal agency's regulations govern the transportation of hazardous materials by highway in the US?
- DOT/PHMSA with FMCSA enforcement (Correct answer)
- OSHA only
- State environmental agencies
- EPA only
Correct answer: DOT/PHMSA with FMCSA enforcement
The Pipeline and Hazardous Materials Safety Administration (PHMSA) sets HazMat rules, while FMCSA enforces them for highway transport.
Question 90: A driver who is under the influence of a prescription drug that impairs driving is:
- Required only to reduce speed
- Subject to the same penalties as if intoxicated (Correct answer)
- Allowed to drive if the drug is prescribed
- Exempt if they notify dispatch before driving
Correct answer: Subject to the same penalties as if intoxicated
Operating a CMV while impaired by any substance — including legal prescriptions — violates FMCSA regulations and carries the same penalties as intoxication.
Question 91: After how many hours of driving without a break is a driver required to take at least a 30-minute break?
- 6 hours
- 10 hours
- 8 hours (Correct answer)
- 4 hours
Correct answer: 8 hours
FMCSA regulations require a commercial driver to take at least a 30-minute off-duty break after 8 cumulative hours of driving. This break must be taken before the driver can continue driving, ensuring they have adequate rest during long shifts to maintain alertness and safety.
Question 92: How long does a driver have to report a traffic conviction in another state to their home state licensing authority?
- 60 days
- 30 days (Correct answer)
- 3 days
- 24 hours
Correct answer: 30 days
CDL holders must notify their home state licensing authority of any traffic conviction in any jurisdiction within 30 days.
Question 93: What is the FMCSA requirement for a driver who has a medical condition that could cause sudden incapacitation?
- The driver is disqualified from CMV operation (Correct answer)
- The driver must have a co-driver at all times
- Allowed if medication controls the condition
- The driver must only do local, short-haul routes
Correct answer: The driver is disqualified from CMV operation
Any condition that may cause sudden incapacitation — such as uncontrolled epilepsy or unpredictable syncope — is disqualifying under FMCSA medical standards.
Question 94: How often must a CDL driver undergo a DOT physical examination at minimum?
- Every 5 years
- Every 2 years (Correct answer)
- Every 3 years
- Every year
Correct answer: Every 2 years
Most CDL drivers must pass a DOT physical at least once every 24 months (2 years), though conditions may require more frequent exams.
Question 95: What is the maximum number of hours a commercial driver can drive in a single day before they are required to take a 10-hour break?
- 16 hours
- 14 hours
- 8 hours
- 11 hours (Correct answer)
Correct answer: 11 hours
Under FMCSA Hours of Service (HOS) regulations, a commercial driver is permitted to drive a maximum of 11 hours within a 14-hour on-duty window. After completing these 11 driving hours, or reaching the end of the 14-hour on-duty period, the driver is required to take a mandatory 10 consecutive hours of off-duty time before driving again.
Question 96: When must a DANGEROUS placard be used instead of separate commodity placards?
- When carrying 1,001–4,999 lbs total of two or more different HazMat classes (Correct answer)
- When carrying any two different HazMat classes
- When HazMat weight exceeds 5,000 lbs total
- When the carrier chooses to simplify labeling
Correct answer: When carrying 1,001–4,999 lbs total of two or more different HazMat classes
A DANGEROUS placard may replace individual placards when a vehicle carries 1,001–4,999 lbs aggregate of two or more different HazMat classes.
Question 97: A motor carrier refuses to show its accident register during a compliance review. What is the likely consequence?
- The carrier can be cited for violations and subjected to civil penalties (Correct answer)
- The investigation is closed and rescheduled for a later date
- Only a warning letter is issued for a first offense
- The carrier's operating authority is automatically revoked
Correct answer: The carrier can be cited for violations and subjected to civil penalties
Failure to produce required records during a compliance review can result in regulatory violations and civil penalties under FMCSA enforcement authority.
Question 98: What is the federal maximum length for a semitrailer operating on the National Network?
- Federal law sets no maximum semitrailer length (Correct answer)
- 57 feet
- 48 feet
- 53 feet
Correct answer: Federal law sets no maximum semitrailer length
Federal law does not set a maximum length for semitrailers on the National Network — states regulate trailer length.
Question 99: Who is subject to FMCSA drug and alcohol testing regulations?
- All drivers, including non-commercial drivers
- Only commercial drivers operating vehicles over 10,000 pounds
- Commercial drivers who operate vehicles requiring a commercial driver's license (CDL) (Correct answer)
- All employees of a transportation company
Correct answer: Commercial drivers who operate vehicles requiring a commercial driver's license (CDL)
FMCSA drug and alcohol testing regulations specifically target commercial drivers who operate vehicles requiring a Commercial Driver's License (CDL). This includes drivers of large trucks, buses, and vehicles transporting hazardous materials, as these roles involve significant public safety responsibilities. The regulations aim to ensure that individuals in these safety-sensitive positions are not impaired by drugs or alcohol, thereby reducing the risk of accidents.
Question 100: Which brake system component defect would place a CMV 'out of service' under FMCSA rules?
- Slightly worn brake pads
- Brake pushrod travel exceeding adjustment limits (Correct answer)
- Brake lights flickering intermittently
- A minor brake fluid leak inside the cab
Correct answer: Brake pushrod travel exceeding adjustment limits
Brakes with pushrod travel beyond the adjustment limit are considered out-of-adjustment and are a Federal Out-of-Service criterion.
Question 101: Which of the following is NOT typically checked during a Level I roadside inspection?
- Brakes and brake systems
- Driver's logbook and hours of service compliance
- Tire condition and tread depth
- Fuel efficiency of the vehicle (Correct answer)
Correct answer: Fuel efficiency of the vehicle
Level I roadside inspections, conducted by the FMCSA, primarily focus on safety-critical components of commercial motor vehicles and driver compliance. These inspections meticulously check items like brakes, tires, lights, and driver's hours of service to ensure the vehicle is safe to operate and the driver is fit for duty. Fuel efficiency, while important for operational costs, is not a direct safety concern and therefore not a typical component of these regulatory safety inspections.
Question 102: Which of the following HazMat classes requires a 'Poison' or 'Toxic' placard?
- Class 8 (Corrosive)
- Class 3 (Flammable Liquid)
- Class 2.3 (Poisonous Gas) (Correct answer)
- Class 5.1 (Oxidizer)
Correct answer: Class 2.3 (Poisonous Gas)
Class 2.3 (Poisonous/Toxic Gas) requires a POISON GAS placard whenever transported in any quantity.
Question 103: A first offense of transporting hazardous materials illegally results in a CDL disqualification of:
- 60 days
- 6 months
- 1 year (Correct answer)
- 3 years
Correct answer: 1 year
A first conviction for unlawfully transporting hazardous materials results in a 1-year CDL disqualification.
Question 104: What action must a driver take upon discovering the cargo has shifted during transit?
- Call dispatch for instructions and continue driving
- Note it in the DVIR at the end of the day
- Continue to the next scheduled stop
- Stop and re-secure the cargo before continuing (Correct answer)
Correct answer: Stop and re-secure the cargo before continuing
FMCSA rules require drivers to stop and re-secure any load that has shifted, loosened, or otherwise become unsafe.
Question 105: Under FMCSA rules, which component must be checked during every pre-trip inspection?
- Satellite communication system
- GPS unit functionality
- Engine air filter
- Emergency equipment (fire extinguisher, warning triangles) (Correct answer)
Correct answer: Emergency equipment (fire extinguisher, warning triangles)
Emergency equipment including a fire extinguisher and warning triangles/flares must be inspected every pre-trip per 49 CFR 392.8.
Question 106: Under FMCSA rules, which endorsement is required to transport passengers for hire in a vehicle designed for 16 or more people?
- N endorsement
- P endorsement (Correct answer)
- S endorsement
- H endorsement
Correct answer: P endorsement
The P (Passenger) endorsement is required on a CDL to transport 16 or more passengers including the driver for hire.
Question 107: Under FMCSA cargo rules, what is the maximum federal height for a CMV?
- 14 feet
- 13 feet 6 inches
- Federal rules set no maximum height (Correct answer)
- 15 feet
Correct answer: Federal rules set no maximum height
FMCSA does not set a federal maximum height for CMVs — height restrictions are set by individual states.
Question 108: What is the penalty for a CDL holder convicted of a first DUI offense while operating a CMV?
- 6-month suspension
- 30-day suspension
- Permanent revocation
- 1-year disqualification (Correct answer)
Correct answer: 1-year disqualification
A first DUI conviction while operating a CMV results in a minimum 1-year CDL disqualification under federal law.
Question 109: What is the maximum allowable single axle weight under federal bridge law?
- 24,000 lbs
- 17,000 lbs
- 20,000 lbs (Correct answer)
- 22,400 lbs
Correct answer: 20,000 lbs
Federal law limits single axle weight to 20,000 lbs to protect roadways and bridges from structural damage.
Question 110: Which condition is an absolute disqualification under FMCSA medical standards, with no waiver available?
- Diabetes managed with oral medication
- Controlled hypertension
- Color blindness
- Loss of a foot or leg without a prosthesis and no exemption (Correct answer)
Correct answer: Loss of a foot or leg without a prosthesis and no exemption
Loss of a foot or leg without both a prosthesis and an FMCSA exemption is an absolute disqualification for CMV operation.
Question 111: What role does the National Registry of Certified Medical Examiners (NRCME) play in CDL driver fitness?
- It sets drug testing standards for CMV drivers
- It certifies and lists medical examiners authorized to perform DOT physicals (Correct answer)
- It manages driver medical records on behalf of carriers
- It issues CDLs directly to qualified drivers
Correct answer: It certifies and lists medical examiners authorized to perform DOT physicals
The NRCME ensures only trained, certified medical examiners perform DOT physicals, improving consistency and safety across the industry.
Question 112: What does the HazMat hazard class number '3' indicate on a placard?
- Flammable gas
- Flammable liquid (Correct answer)
- Oxidizer
- Radioactive material
Correct answer: Flammable liquid
Class 3 hazardous materials are flammable liquids, such as gasoline, diesel fuel, and ethanol.
Question 113: Under FMCSA's Safety Measurement System (SMS), what crash data is used to evaluate motor carrier performance?
- All CMV incidents regardless of whether they meet recordability criteria
- Only accidents investigated by FMCSA enforcement personnel
- Crashes meeting FMCSA's recordable accident definition as reported to state agencies (Correct answer)
- Only accidents where the CMV driver was cited for a violation
Correct answer: Crashes meeting FMCSA's recordable accident definition as reported to state agencies
The SMS uses crash data reported to state agencies that meet FMCSA's recordable accident definition — fatality, injury requiring off-scene medical care, or disabling damage requiring towing.
Question 114: What must a carrier do when a driver's medical certificate expires?
- Immediately remove the driver from CMV operation until a valid MEC is obtained (Correct answer)
- Accept a physician's letter as a temporary substitute
- Notify FMCSA and continue operations pending renewal
- Allow 30 more days before requiring renewal
Correct answer: Immediately remove the driver from CMV operation until a valid MEC is obtained
A driver with an expired medical certificate is not medically qualified and must be immediately removed from CMV operations.
Question 115: Which of the following is NOT an acceptable method for a motor carrier to prove a CMV passed its annual inspection?
- Verbal certification from the mechanic (Correct answer)
- Decal affixed to the vehicle
- Digital copy on a tablet accessible to the driver
- Copy of the inspection report in the vehicle
Correct answer: Verbal certification from the mechanic
Verbal certification does not meet FMCSA documentation requirements; a written report or decal is required.
Question 116: What medical certificate must a CDL driver carry while operating a CMV in interstate commerce?
- A current Medical Examiner's Certificate (MEC) (Correct answer)
- A personal physician's letter
- A state-issued health card
- An annual physical receipt
Correct answer: A current Medical Examiner's Certificate (MEC)
CMV drivers in interstate commerce must carry a current Medical Examiner's Certificate issued by a certified medical examiner.
Question 117: What document must motor carriers maintain to track accidents involving their commercial vehicles?
- Accident register (Correct answer)
- Vehicle incident log
- Safety compliance journal
- Driver safety performance history report
Correct answer: Accident register
FMCSA requires motor carriers to maintain an accident register containing details about each recordable accident under 49 CFR 390.15.
Question 118: How many consecutive hours of off-duty time are required to reset the 60/70-hour weekly limit under the FMCSA HOS regulations?
- 34 hours (Correct answer)
- 24 hours
- 72 hours
- 48 hours
Correct answer: 34 hours
To reset the 60/70-hour weekly limit under FMCSA HOS regulations, a commercial driver must take at least 34 consecutive hours of off-duty time. This "34-hour restart" allows drivers to begin a new 60-hour (for 7-day operations) or 70-hour (for 8-day operations) work week, effectively resetting their cumulative on-duty time.
Question 119: What is the maximum allowable brake lining thickness for a drum brake before it is considered defective?
- Any visible wear
- Less than 1/8 inch at the thinnest point
- Lining worn to the shoe
- Less than 1/4 inch at the thinnest point (Correct answer)
Correct answer: Less than 1/4 inch at the thinnest point
Brake lining worn to less than 1/4 inch at the thinnest point is an out-of-service criterion under FMCSA rules.
Question 120: What action must a driver take if a HazMat leak or spill occurs during transport?
- Continue to the destination and report it upon arrival
- Stop, keep the public away, notify authorities, and contact the carrier (Correct answer)
- Clean up the spill themselves if it seems manageable
- Immediately contact the shipper and keep driving
Correct answer: Stop, keep the public away, notify authorities, and contact the carrier
In the event of a HazMat spill, the driver must stop safely, keep the public away, notify emergency services, and contact their carrier immediately.
FMCSA National Registry of Certified Medical Examiners (NRCME) Certification Exam
The FMCSA NRCME certification exam tests healthcare providers on their knowledge of federal motor carrier safety regulations, commercial driver medical standards, and fitness-for-duty determinations required to perform DOT physical examinations.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds