NFPA Certified Fire Inspector I (CFI-I) Exam — Questions and Answers
Question 1: A flammability rating of 4 in NFPA 704 describes a material that:
- Requires an oxidizer to ignite
- Will not burn under any conditions
- Burns readily at ambient conditions with a flash point below 73°F (22.8°C) (Correct answer)
- Ignites only after prolonged exposure to heat
Correct answer: Burns readily at ambient conditions with a flash point below 73°F (22.8°C)
A flammability rating of 4 indicates materials that rapidly vaporize at normal temperatures, with a flash point below 73°F and a boiling point below 100°F.
Question 2: Under NFPA 72, what is the maximum height above the floor at which a manual pull station may be installed?
- 48 inches
- 66 inches
- 60 inches (Correct answer)
- 54 inches
Correct answer: 60 inches
NFPA 72 requires manual pull stations to be mounted between 42 and 60 inches above the finished floor.
Question 3: Which of the following is required for all kitchen countertop outlets according to the NEC?
- Surge protectors
- Ground-Fault Circuit Interrupters (GFCIs) (Correct answer)
- 20-ampere breakers
- Arc-Fault Circuit Interrupters (AFCIs)
Correct answer: Ground-Fault Circuit Interrupters (GFCIs)
GFCIs are required to prevent electrical shock in areas where water is present, such as kitchen countertops.
Question 4: According to NFPA 1, what is the minimum illumination level required at the floor of a means of egress during normal operation?
- 1 footcandle (Correct answer)
- 10 footcandles
- 0.2 footcandles
- 5 footcandles
Correct answer: 1 footcandle
NFPA 1 requires a minimum of 1 footcandle of illumination measured at the floor level in the means of egress.
Question 5: What color code indicates a sprinkler with a temperature rating of 135–170°F (57–77°C) under NFPA 13?
- Blue
- White
- Uncolored/Black (Correct answer)
- Red
Correct answer: Uncolored/Black
NFPA 13 specifies that sprinklers rated at 135–170°F are uncolored (natural brass) or marked with a black color code.
Question 6: According to NFPA 13, which component must be provided at the base of each sprinkler riser to facilitate system testing and maintenance?
- Check valve
- Pressure gauge
- Inspector's test connection
- Butterfly valve with tamper switch (Correct answer)
Correct answer: Butterfly valve with tamper switch
NFPA 13 requires a supervised control valve (such as an OS&Y or butterfly valve with a tamper switch) at the base of each riser.
Question 7: According to NFPA 13, what is the maximum spacing allowed between standard spray upright or pendent sprinklers in light hazard occupancies?
- 200 sq ft (Correct answer)
- 100 sq ft
- 225 sq ft
- 130 sq ft
Correct answer: 200 sq ft
NFPA 13 permits a maximum coverage area of 200 square feet per sprinkler in light hazard occupancies.
Question 8: Under NFPA 1, what is the maximum rise for a single step in a means of egress?
- 8.25 inches (Correct answer)
- 5 inches
- 10 inches
- 7 inches
Correct answer: 8.25 inches
NFPA 1 limits the maximum riser height in egress stairways to 8.25 inches to ensure safe, consistent stepping.
Question 9: According to the NFPA Life Safety Code, what is the minimum number of exits required for any story of a building with an occupant load exceeding 500?
- Four exits
- Two exits
- Three exits (Correct answer)
- One exit
Correct answer: Three exits
The LSC requires a minimum of three exits for any story of a building with an occupant load exceeding 500 to ensure safe egress.
Question 10: In the NEC, what does the term "ampacity" refer to?
- The length of a conductor
- The voltage rating of a conductor
- The current-carrying capacity of a conductor (Correct answer)
- The resistance of a conductor
Correct answer: The current-carrying capacity of a conductor
Ampacity is the maximum amount of electrical current a conductor or device can carry before sustaining immediate or progressive deterioration.
Question 11: Under NFPA 72, smoke detectors must be located at minimum how far from a supply air diffuser?
- 1 foot
- 3 feet (Correct answer)
- 5 feet
- 10 feet
Correct answer: 3 feet
NFPA 72 requires smoke detectors to be located at least 3 feet from air supply diffusers to prevent airflow from diluting smoke before it reaches the detector.
Question 12: According to NFPA 30, what is the maximum quantity of Class I and Class II liquids that may be stored in a single cabinet without special permits?
- 60 gallons (Correct answer)
- 30 gallons
- 240 gallons
- 120 gallons
Correct answer: 60 gallons
NFPA 30 limits flammable liquid storage cabinets to a maximum of 60 gallons of Class I and Class II liquids combined.
Question 13: Under NFPA 25, when a waterflow alarm fails to activate during a quarterly test, what is the required corrective action?
- Restore the system to service and schedule repair within 30 days
- Document and retest annually
- Immediately restore to operation, investigate, and repair before leaving the site (Correct answer)
- Notify the fire department and restore within 24 hours
Correct answer: Immediately restore to operation, investigate, and repair before leaving the site
NFPA 25 requires that when a waterflow alarm fails, the system be restored, the deficiency investigated, and the issue corrected before the inspector leaves.
Question 14: A rating of '0' in any NFPA 704 category indicates the material:
- Has a moderate hazard in that category
- Has an unknown or unstudied hazard
- Has a severe unclassified hazard
- Poses no significant hazard in that category (Correct answer)
Correct answer: Poses no significant hazard in that category
A rating of 0 means the material poses no significant hazard in that particular category under fire conditions.
Question 15: Which organization publishes the National Electrical Code (NEC)?
- Institute of Electrical and Electronics Engineers (IEEE)
- National Fire Protection Association (NFPA) (Correct answer)
- Underwriters Laboratories (UL)
- Occupational Safety and Health Administration (OSHA)
Correct answer: National Fire Protection Association (NFPA)
The NFPA is responsible for developing and publishing the NEC.
Question 16: What does NFPA 72 specify as the maximum travel distance to a manual pull station in an educational occupancy?
- 100 feet
- 300 feet
- 150 feet (Correct answer)
- 200 feet
Correct answer: 150 feet
NFPA 72 requires manual pull stations to be located so that travel distance from any point in the protected area does not exceed 200 feet.
Question 17: According to NFPA 72, how frequently must a fire alarm system receiving central station monitoring be tested?
- Monthly
- Quarterly
- Semi-annually
- Annually (Correct answer)
Correct answer: Annually
NFPA 72 requires that most fire alarm system components be tested at least annually unless more frequent testing is specified.
Question 18: Under NFPA 25, how frequently must fire department connections (FDCs) be inspected?
- Monthly (Correct answer)
- Weekly
- Quarterly
- Annually
Correct answer: Monthly
NFPA 25 requires quarterly inspections of fire department connections to verify they are accessible, undamaged, and have proper caps.
Question 19: According to NFPA 25, what condition requires replacement of a sprinkler head without testing?
- Sprinkler is more than 50 years old in a wet system (Correct answer)
- Sprinkler is a fast-response type
- Sprinkler has a painted finish from factory
- Sprinkler is more than 25 years old
Correct answer: Sprinkler is more than 50 years old in a wet system
NFPA 25 requires that sprinklers 50 years or older in wet systems be replaced or sample-tested; replacement is required if they fail testing.
Question 20: Under NFPA 25, which condition during a hydrostatic test would require the system to fail?
- Any pressure drop during the test period
- Pressure drops more than 20 psi in 24 hours
- Pressure drops more than 10 psi in 2 hours (Correct answer)
- Pressure drops more than 5 psi in 15 minutes
Correct answer: Pressure drops more than 10 psi in 2 hours
NFPA 25 specifies that a hydrostatic test fails if pressure drops more than 10 psi during the 2-hour test period.
Question 21: Under NFPA 30, which liquid class has a flash point at or above 100°F and below 140°F?
- Class II (Correct answer)
- Class IC
- Class IB
- Class IIIA
Correct answer: Class II
NFPA 30 classifies liquids with a flash point at or above 100°F and below 140°F as Class II combustible liquids.
Question 22: What is the primary purpose of the NFPA 704 standard?
- To classify materials for international shipping documentation
- To regulate the transportation of hazardous materials on public roadways
- To provide emergency responders with immediate visual hazard identification (Correct answer)
- To establish maximum allowable storage quantities for chemicals
Correct answer: To provide emergency responders with immediate visual hazard identification
NFPA 704 is designed to give emergency responders quick, visual identification of hazards during fires or spills so they can take appropriate protective action.
Question 23: According to NEC, what is the minimum depth requirement for burying non-metallic electrical conduits in a residential setting?
- 12 inches (Correct answer)
- 18 inches
- 6 inches
- 24 inches
Correct answer: 12 inches
The NEC specifies that non-metallic conduits should be buried at least 12 inches deep to protect them from damage.
Question 24: According to NFPA 10, how frequently must stored-pressure dry chemical extinguishers be subjected to a 6-year internal examination?
- Every 12 years
- Every 3 years
- Every 6 years (Correct answer)
- Every 10 years
Correct answer: Every 6 years
NFPA 10 requires stored-pressure dry chemical extinguishers to be emptied and internally examined every 6 years.
Question 25: Under NFPA 72, what is the maximum allowable sound level for a public mode audible alarm signal in a sleeping area?
- 70 dB(A)
- 75 dB(A) (Correct answer)
- 110 dB(A)
- 55 dB(A)
Correct answer: 75 dB(A)
NFPA 72 requires that public mode audible alarms produce a sound level of at least 75 dB(A) at the pillow in sleeping areas.
Question 26: Under NFPA 25, how frequently must wet pipe sprinkler system gauges be inspected?
- Quarterly
- Weekly
- Annually
- Monthly (Correct answer)
Correct answer: Monthly
NFPA 25 requires gauges on wet pipe sprinkler systems to be inspected monthly to verify they are in good condition and show normal pressure.
Question 27: Under NFPA 25, what is the required inspection frequency for internal inspection of steel dry pipe and preaction system piping?
- Every 3 years
- Every 5 years (Correct answer)
- Every 10 years
- Every 15 years
Correct answer: Every 5 years
NFPA 25 requires an internal inspection of dry pipe and preaction system piping every 5 years to check for obstructions.
Question 28: Under NFPA 13, how far must a sprinkler deflector be positioned below a smooth flat ceiling for a standard pendent sprinkler?
- 1 to 12 inches (Correct answer)
- 4 to 8 inches
- 2 to 6 inches
- 1 to 4 inches
Correct answer: 1 to 12 inches
NFPA 13 requires the deflector of a standard pendent sprinkler to be positioned 1 to 12 inches below a smooth flat ceiling.
Question 29: In the NFPA 704 system, which color section represents instability or reactivity?
- Yellow (Correct answer)
- White
- Green
- Orange
Correct answer: Yellow
The yellow section, located on the right side of the diamond, represents the instability/reactivity hazard rating.
Question 30: A flammability rating of 1 in NFPA 704 applies to materials that:
- Must be preheated to burn, with a flash point above 200°F (93.3°C) (Correct answer)
- Do not burn under any conditions
- Ignite under almost all normal temperature conditions
- Burn readily at ambient temperature
Correct answer: Must be preheated to burn, with a flash point above 200°F (93.3°C)
A flammability rating of 1 applies to materials that must be preheated before ignition can occur, with flash points above 200°F (93.3°C), such as mineral oil.
Question 31: According to NFPA 30, what type of electrical equipment is required in a flammable liquid storage room classified as a Division 1 hazardous location?
- GFCI-protected only
- Weatherproof only
- Explosion-proof or intrinsically safe (Correct answer)
- Standard commercial grade
Correct answer: Explosion-proof or intrinsically safe
NFPA 30 requires explosion-proof or intrinsically safe electrical equipment in Division 1 hazardous locations where flammable vapors may be present.
Question 32: What type of occupancy is classified under Assembly Occupancies in the NFPA Life Safety Code?
- Industrial factories
- Schools
- Theaters and auditoriums (Correct answer)
- Office buildings
Correct answer: Theaters and auditoriums
Assembly Occupancies include places where people gather for social, recreational, or entertainment purposes, such as theaters and auditoriums.
Question 33: Which NFPA 704 health rating indicates exposure could cause death?
- 2
- 3
- 1
- 4 (Correct answer)
Correct answer: 4
A health rating of 4 indicates that very short exposure could cause death or major residual injury, even with emergency responder protective equipment.
Question 34: Under NFPA 1, who is defined as the 'authority having jurisdiction' (AHJ)?
- The state fire marshal exclusively
- The organization, office, or individual responsible for enforcing the requirements of a code (Correct answer)
- The fire chief only
- The building owner
Correct answer: The organization, office, or individual responsible for enforcing the requirements of a code
NFPA 1 defines the AHJ as the organization, office, or individual responsible for enforcing code requirements, or their designee.
Question 35: According to NFPA 72, what is the maximum spacing for heat detectors with a listed spacing of 50 feet in a smooth ceiling room?
- 100 feet
- 30 feet
- 50 feet (Correct answer)
- 70 feet
Correct answer: 50 feet
NFPA 72 permits heat detectors to be installed at their listed spacing, which in this case is 50 feet between detectors on a smooth ceiling.
Question 36: Under NFPA 25, what is the required testing frequency for antifreeze solution concentration in a sprinkler system?
- Quarterly
- Monthly
- Every 5 years
- Annually (Correct answer)
Correct answer: Annually
NFPA 25 requires annual testing of antifreeze solution concentration to ensure freeze protection remains adequate.
Question 37: Under NFPA 30, how must flammable liquid storage rooms be ventilated?
- Mechanical ventilation providing at least 1 cfm per square foot of floor area (Correct answer)
- Ventilation is not required if quantities are below 60 gallons
- Exhaust fan rated for 500 cfm minimum
- Natural ventilation only is acceptable
Correct answer: Mechanical ventilation providing at least 1 cfm per square foot of floor area
NFPA 30 requires flammable liquid storage rooms to have mechanical ventilation providing at least 1 cubic foot per minute per square foot of floor area.
Question 38: According to NFPA 1, what is required before a certificate of occupancy is issued for a new building?
- Approval of architectural drawings only
- Payment of all permit fees
- Successful completion of all required fire protection system inspections and tests (Correct answer)
- Submission of a fire emergency plan
Correct answer: Successful completion of all required fire protection system inspections and tests
NFPA 1 requires that all fire protection systems be inspected, tested, and approved before a certificate of occupancy can be issued.
Question 39: Where is the NFPA 704 placard most commonly and appropriately displayed?
- On stationary containers, storage tanks, and building entrances where hazardous materials are stored or used (Correct answer)
- Only on vehicles transporting hazardous materials on highways
- Exclusively inside chemical storage logs and safety data sheets
- On personal protective equipment worn by chemical handlers
Correct answer: On stationary containers, storage tanks, and building entrances where hazardous materials are stored or used
NFPA 704 placards are placed on fixed facilities such as storage tanks, containers, and buildings to alert emergency responders before they enter a hazardous area.
Question 40: According to NFPA 1, what type of permit is typically required before storing hazardous materials in quantities exceeding established thresholds?
- Business license
- State environmental permit only
- Hazardous materials permit from the AHJ (Correct answer)
- EPA permit only
Correct answer: Hazardous materials permit from the AHJ
NFPA 1 requires a hazardous materials permit from the AHJ before storing or handling quantities of hazardous materials above established thresholds.
Question 41: Under NFPA 13, what is required when a sprinkler system is installed in a building with a combustible concealed space?
- No special requirements
- The space must be filled with fire retardant foam
- Sprinklers must be installed in the concealed space (Correct answer)
- Only smoke detectors are required
Correct answer: Sprinklers must be installed in the concealed space
NFPA 13 requires sprinklers in combustible concealed spaces unless specific exemptions based on construction type and insulation apply.
Question 42: According to NFPA 25, what action is required when a sprinkler head shows signs of corrosion, paint, or loading?
- Apply touch-up paint to protect it
- Document and monitor for 6 months
- Clean the sprinkler head
- Replace the sprinkler head immediately (Correct answer)
Correct answer: Replace the sprinkler head immediately
NFPA 25 requires that any sprinkler showing signs of corrosion, loading, or unauthorized paint be replaced immediately.
Question 43: What is the purpose of a bonding jumper according to NEC Article 250?
- To increase circuit voltage
- To connect non-current-carrying metal parts of electrical equipment to the grounding system (Correct answer)
- To provide an additional neutral path
- To carry current under normal operation
Correct answer: To connect non-current-carrying metal parts of electrical equipment to the grounding system
Bonding jumpers are used to ensure electrical continuity and safe grounding of metal parts.
Question 44: What does the symbol 'SA' in the white section of an NFPA 704 diamond indicate?
- Severe allergen hazard
- Safety approved by OSHA
- Simple asphyxiant gas (Correct answer)
- Surface-active corrosive
Correct answer: Simple asphyxiant gas
SA stands for Simple Asphyxiant and identifies gases such as nitrogen or helium that displace oxygen and can cause suffocation without being otherwise toxic.
Question 45: According to NFPA 25, how often must fire pump acceptance tests be repeated after initial installation?
- Annually (Correct answer)
- Every 5 years
- Every 10 years
- Every 3 years
Correct answer: Annually
NFPA 25 requires that fire pump annual flow tests be conducted every year to verify the pump delivers rated performance.
Question 46: According to NFPA 25, what is the minimum flow required during an inspector's test connection flow test to verify sprinkler system waterflow alarms?
- 50 gpm
- Flow equivalent to two sprinklers
- Flow equivalent to one sprinkler (Correct answer)
- 25 gpm
Correct answer: Flow equivalent to one sprinkler
NFPA 25 specifies that the inspector's test connection must produce a flow equivalent to one sprinkler to test waterflow alarm devices.
Question 47: In the context of the NFPA Life Safety Code, what is the purpose of an automatic sprinkler system?
- To provide illumination during a fire
- To alert emergency services of a fire
- To assist in the manual evacuation of occupants
- To suppress and control fires automatically (Correct answer)
Correct answer: To suppress and control fires automatically
Automatic sprinkler systems are designed to control and suppress fires, thereby enhancing occupant safety and minimizing property damage.
Question 48: What is the highest numerical hazard rating on the NFPA 704 scale?
- 5
- 3
- 10
- 4 (Correct answer)
Correct answer: 4
The NFPA 704 scale ranges from 0 (minimal hazard) to 4 (most severe hazard) for health, flammability, and instability categories.
Question 49: According to the NFPA Life Safety Code, what is the minimum width requirement for egress doors in new buildings?
- 32 inches (Correct answer)
- 24 inches
- 28 inches
- 36 inches
Correct answer: 32 inches
The LSC requires that egress doors in new buildings must be at least 32 inches wide to ensure safe evacuation.
Question 50: According to NFPA 72, where must a remote annunciator panel be located?
- At the main electrical panel
- At a location approved by the authority having jurisdiction (Correct answer)
- Adjacent to the main fire alarm control unit
- In the mechanical room
Correct answer: At a location approved by the authority having jurisdiction
NFPA 72 requires remote annunciator panels to be located where approved by the authority having jurisdiction (AHJ).
Question 51: In the NFPA 704 system, which color section represents flammability?
- Yellow
- Red (Correct answer)
- White
- Blue
Correct answer: Red
The red section, located at the top of the diamond, represents the flammability hazard rating.
Question 52: Under NFPA 13, what hazard classification applies to auto showrooms, bakeries, and laundries?
- Light hazard
- Ordinary hazard Group 2
- Ordinary hazard Group 1 (Correct answer)
- Extra hazard Group 1
Correct answer: Ordinary hazard Group 1
NFPA 13 classifies auto showrooms, bakeries, and laundries as Ordinary Hazard Group 1 occupancies.
Question 53: According to NFPA 25, which valve must be tested by partially closing it and verifying the waterflow alarm activates?
- OS&Y gate valve
- Check valve
- Butterfly valve
- Control valve tamper switch (Correct answer)
Correct answer: Control valve tamper switch
NFPA 25 requires the control valve supervisory (tamper) switch to be tested by partially closing the valve and verifying the supervisory alarm is received.
Question 54: How often is the National Electrical Code (NEC) updated?
- Annually
- Every 3 years (Correct answer)
- Every 5 years
- Every 2 years
Correct answer: Every 3 years
The NEC is revised and published every three years to reflect new technologies and safety practices.
Question 55: What is an “area of refuge” as defined by the NFPA Life Safety Code?
- The main entrance of a building
- An area where occupants can wait for rescue if they cannot use the stairs (Correct answer)
- The roof of a building
- A designated outdoor meeting place during a fire
Correct answer: An area where occupants can wait for rescue if they cannot use the stairs
An area of refuge is a location designed for occupants who cannot evacuate without assistance to wait safely for rescue.
Question 56: What is the minimum required flow pressure at the most remote sprinkler in an NFPA 13 light hazard system?
- 5 psi
- 7 psi
- 15 psi
- 10 psi (Correct answer)
Correct answer: 10 psi
NFPA 13 requires a minimum residual pressure of 7 psi at the most remote sprinkler, but design pressure at each sprinkler must meet the hydraulic calculation, commonly 7 psi minimum.
Question 57: Under NFPA 72, what is the minimum visible notification appliance (strobe) candela rating for a public area with 16-foot ceilings?
- 75 cd (Correct answer)
- 110 cd
- 30 cd
- 15 cd
Correct answer: 75 cd
NFPA 72 requires a minimum of 75 candela for strobes in rooms with ceiling heights between 10 and 16 feet when mounted on a wall.
Question 58: According to NFPA 10, what is the maximum interval between visual monthly inspections of portable fire extinguishers?
- 45 days
- 30 days (Correct answer)
- 90 days
- 60 days
Correct answer: 30 days
NFPA 10 requires that fire extinguishers be visually inspected at maximum intervals of 30 days.
Question 59: According to NFPA 10, what type of fire extinguisher is NOT acceptable for use on Class C (energized electrical) fires?
- Halon extinguisher
- Water extinguisher (Correct answer)
- CO2 extinguisher
- Dry chemical extinguisher
Correct answer: Water extinguisher
NFPA 10 prohibits the use of water extinguishers on Class C fires because water conducts electricity and creates an electrocution hazard.
Question 60: Under NFPA 25, how often must the internal condition of wet pipe system piping be inspected in areas with a history of microbiologically influenced corrosion (MIC)?
- Every 5 years
- Every 3 years
- Only after an obstruction event
- Annually (Correct answer)
Correct answer: Annually
NFPA 25 requires annual internal inspections of wet pipe systems in environments with a history of MIC contamination.
Question 61: What is the maximum permitted distance between sprinklers along a branch line under NFPA 13 for light hazard occupancies?
- 15 feet (Correct answer)
- 25 feet
- 20 feet
- 10 feet
Correct answer: 15 feet
NFPA 13 limits the maximum distance between sprinklers along a branch line to 15 feet in light hazard occupancies.
Question 62: According to NFPA 25, how often must a main drain test be conducted on a wet pipe sprinkler system?
- Monthly
- Annually (Correct answer)
- Every 5 years
- Quarterly
Correct answer: Annually
NFPA 25 requires an annual main drain test to verify that the water supply is unobstructed and pressure is adequate.
Question 63: Under NFPA 30, which classification applies to a liquid with a flash point below 73°F and a boiling point below 100°F?
- Class IC
- Class IB
- Class IA (Correct answer)
- Class II
Correct answer: Class IA
NFPA 30 classifies liquids with a flash point below 73°F and a boiling point below 100°F as Class IA flammable liquids.
Question 64: Under NFPA 25, what is the required frequency for a full flow trip test of a dry pipe valve?
- Every 3 years
- Every 10 years
- Every 5 years
- Annually (Correct answer)
Correct answer: Annually
NFPA 25 requires a full flow trip test of dry pipe valves annually to ensure the system operates correctly.
Question 65: Under NFPA 72, a notification appliance circuit (NAC) must be supervised for which of the following conditions?
- Open circuit and ground fault (Correct answer)
- Overload and short circuit
- Low battery only
- Loss of AC power only
Correct answer: Open circuit and ground fault
NFPA 72 requires that notification appliance circuits be monitored for integrity, meaning open circuits and ground faults must be detected.
Question 66: According to NFPA 1, what must a fire safety and evacuation plan include?
- Emergency procedures, staff assignments, evacuation routes, and training requirements (Correct answer)
- Insurance policy number and coverage details
- Utility shutoff locations only
- Contact information for the fire department only
Correct answer: Emergency procedures, staff assignments, evacuation routes, and training requirements
NFPA 1 requires fire safety and evacuation plans to address emergency procedures, staff responsibilities, evacuation routes, and staff training.
Question 67: Under NFPA 30, underground storage tanks must be equipped with which device to prevent overflow during filling?
- Pressure relief valve
- Ball valve with tamper switch
- Overfill prevention device (Correct answer)
- Check valve
Correct answer: Overfill prevention device
NFPA 30 requires underground storage tanks to have overfill prevention devices to automatically stop or signal when the tank reaches 90–95% capacity.
Question 68: Under NFPA 72, which initiating device is classified as a spot-type smoke detector?
- Linear beam detector
- Ionization smoke detector (Correct answer)
- Air sampling detector
- Duct smoke detector
Correct answer: Ionization smoke detector
An ionization smoke detector is a spot-type detector that responds to products of combustion in its immediate vicinity.
Question 69: Under NFPA 10, what is the maximum travel distance to a Class A fire extinguisher in a light hazard occupancy?
- 100 feet
- 150 feet
- 75 feet (Correct answer)
- 50 feet
Correct answer: 75 feet
NFPA 10 requires that Class A extinguishers in light hazard occupancies be placed so that travel distance does not exceed 75 feet.
Question 70: Under NFPA 13, what is the maximum distance allowed between a sprinkler and a wall or obstruction in a light hazard occupancy?
- 9 feet
- 4 feet
- 12 feet
- 7.5 feet (Correct answer)
Correct answer: 7.5 feet
NFPA 13 limits the distance from a sprinkler to a wall or partition to a maximum of 7.5 feet in light hazard occupancies.
Question 71: According to NFPA 10, what is the maximum mounting height for the handle of a fire extinguisher weighing more than 40 pounds?
- 4 feet (Correct answer)
- 5.5 feet
- 3.5 feet
- 5 feet
Correct answer: 4 feet
NFPA 10 requires that extinguishers weighing more than 40 pounds be mounted so that the handle is no higher than 3.5 feet above the floor.
Question 72: Under NFPA 30, which type of vent pipe is required on an above-ground atmospheric storage tank containing Class I liquids?
- Open vent pipe only
- Check valve vent
- Flame arrester or pressure-vacuum vent (Correct answer)
- Pressure relief valve set at 15 psi
Correct answer: Flame arrester or pressure-vacuum vent
NFPA 30 requires above-ground atmospheric tanks storing Class I liquids to be equipped with a flame arrester or pressure-vacuum vent to prevent ignition of vapors.
Question 73: What shape is used for the NFPA 704 hazard identification system placard?
- Rectangle divided into four sections
- Square rotated 45 degrees (diamond) (Correct answer)
- Equilateral triangle
- Circle divided into quadrants
Correct answer: Square rotated 45 degrees (diamond)
NFPA 704 uses a square rotated 45 degrees, commonly called a 'fire diamond,' divided into four colored sections.
Question 74: According to NEC Article 110, what is the required working clearance in front of electrical panels?
- 30 inches
- 48 inches
- 36 inches (Correct answer)
- 24 inches
Correct answer: 36 inches
The NEC requires a minimum working clearance of 36 inches in front of electrical panels for safe operation and maintenance.
Question 75: What is the minimum water supply duration required for a light hazard occupancy sprinkler system under NFPA 13?
- 90 minutes
- 15 minutes
- 60 minutes
- 30 minutes (Correct answer)
Correct answer: 30 minutes
NFPA 13 requires a minimum water supply duration of 30 minutes for light hazard occupancies.
Question 76: According to NFPA 72, what information must be displayed on a fire alarm control unit annunciator?
- Suppression system type
- Building owner contact information
- Zone or device location of alarm, supervisory, and trouble conditions (Correct answer)
- Time of last alarm only
Correct answer: Zone or device location of alarm, supervisory, and trouble conditions
NFPA 72 requires that the annunciator display the location (zone or device) of alarm, supervisory, and trouble conditions.
Question 77: According to NFPA 72, when a fire alarm system is out of service for more than how many hours must the authority having jurisdiction be notified?
- 4 hours
- 8 hours
- 24 hours (Correct answer)
- 2 hours
Correct answer: 24 hours
NFPA 72 requires notification of the AHJ when a fire alarm system is out of service for more than 8 hours.
Question 78: Under NFPA 72, what minimum standby battery capacity is required for a fire alarm control unit?
- 4 hours standby + 15 minutes alarm
- 4 hours alarm + 4 hours standby
- 60 minutes alarm only
- 24 hours standby + 5 minutes alarm (Correct answer)
Correct answer: 24 hours standby + 5 minutes alarm
NFPA 72 requires fire alarm control units to have battery backup for 24 hours in standby followed by 5 minutes in full alarm.
Question 79: According to NFPA 25, what is the required weekly test for an electric fire pump?
- Pressure test at rated flow
- Visual inspection only
- Churn test (no-flow) for 10 minutes (Correct answer)
- Full flow test for 10 minutes
Correct answer: Churn test (no-flow) for 10 minutes
NFPA 25 requires electric fire pumps to be run weekly under no-flow (churn) conditions for a minimum of 10 minutes.
Question 80: According to NFPA 30, which containers are approved for storing Class I flammable liquids in quantities up to 5 gallons?
- Any plastic container with a screw-top lid
- Standard 5-gallon buckets with lids
- Clear glass jugs with cork stoppers
- Listed safety cans or approved metal containers (Correct answer)
Correct answer: Listed safety cans or approved metal containers
NFPA 30 requires Class I flammable liquids in quantities up to 5 gallons to be stored in listed safety cans or approved metal containers.
Question 81: Which of the following is a critical component of a means of egress as per the NFPA Life Safety Code?
- Emergency lighting (Correct answer)
- Security cameras
- Fire extinguisher
- HVAC system
Correct answer: Emergency lighting
Emergency lighting is essential in a means of egress to ensure that occupants can see and navigate exits during an emergency.
Question 82: Under NFPA 13, a deluge system differs from a preaction system in that a deluge system has:
- Open sprinkler heads throughout (Correct answer)
- A single detection zone
- Air-pressurized piping
- Closed sprinkler heads throughout
Correct answer: Open sprinkler heads throughout
A deluge system uses open (non-fusible) sprinkler heads so that water discharges from all heads simultaneously when the deluge valve opens.
Question 83: Under NFPA 30, what bonding and grounding requirement applies when transferring Class I flammable liquids from one container to another?
- Only the receiving container needs grounding
- Bonding is required only for metal containers
- Containers must be bonded together and grounded to prevent static sparks (Correct answer)
- No bonding required for containers under 5 gallons
Correct answer: Containers must be bonded together and grounded to prevent static sparks
NFPA 30 requires that both containers be bonded to each other and that the system be grounded to prevent static electricity discharge during transfer.
Question 84: According to NFPA 30, what is the maximum quantity of Class IA liquids permitted in a processing area without a sprinkler system?
- 25 gallons
- 5 gallons (Correct answer)
- 10 gallons
- 1 gallon
Correct answer: 5 gallons
NFPA 30 limits the quantity of Class IA flammable liquid in unsprinklered processing areas to 5 gallons.
Question 85: Under the NFPA Life Safety Code, what is the maximum travel distance to an exit in a sprinklered educational occupancy?
- 150 feet
- 100 feet
- 200 feet
- 250 feet (Correct answer)
Correct answer: 250 feet
The maximum travel distance to an exit in a sprinklered educational occupancy is 250 feet to ensure that occupants can reach an exit quickly and safely.
Question 86: Under NFPA 25, what must be done with recorded inspection, testing, and maintenance (ITM) reports?
- Submitted to NFPA headquarters
- Retained for 1 year only
- Retained until the next inspection of the same type
- Retained for the life of the system and made available to the AHJ (Correct answer)
Correct answer: Retained for the life of the system and made available to the AHJ
NFPA 25 requires that ITM records be retained for the life of the system and be available for review by the authority having jurisdiction.
Question 87: Under NFPA 72, what is the purpose of a Class A wiring style for initiating device circuits?
- Permit wireless operation
- Support higher device counts
- Reduce installation cost
- Allow continued operation after a single open or ground fault (Correct answer)
Correct answer: Allow continued operation after a single open or ground fault
Class A wiring uses a loop configuration so that a single open or ground fault does not disable the entire circuit, allowing continued operation.
Question 88: An instability rating of 4 in NFPA 704 indicates the material:
- Becomes unstable only at elevated temperatures and pressures
- Is readily capable of detonation or explosive decomposition at normal temperatures (Correct answer)
- Is normally stable at all temperatures
- Can detonate only with a strong external initiator
Correct answer: Is readily capable of detonation or explosive decomposition at normal temperatures
An instability rating of 4 means the material is readily capable of detonation or explosive decomposition at normal temperatures and pressures, representing the maximum reactivity hazard.
Question 89: Which NFPA 704 health rating indicates 'extreme danger' where serious injury is likely from short exposure?
- 4
- 3 (Correct answer)
- 2
- 1
Correct answer: 3
A health rating of 3 indicates short exposure could cause serious temporary or residual injury, requiring full protective equipment for emergency responders.
Question 90: Under NFPA 30, what must be posted near flammable liquid storage or dispensing areas?
- Material Safety Data Sheets only
- Fire department contact number only
- 'No Smoking' or 'No Open Flames' signs (Correct answer)
- OSHA 300 Log
Correct answer: 'No Smoking' or 'No Open Flames' signs
NFPA 30 requires 'No Smoking' and 'No Open Flames' warning signs to be prominently posted in flammable liquid storage and dispensing areas.
Question 91: According to NFPA 72, what is the maximum allowable supervisory signal response time from the control unit to the supervising station?
- 60 seconds
- 5 minutes (Correct answer)
- 30 seconds
- 90 seconds
Correct answer: 5 minutes
NFPA 72 requires that supervisory signals be received at the supervising station within 5 minutes of occurrence.
Question 92: According to NFPA 72, what signal must a fire alarm control unit transmit when a detector or device is removed for maintenance?
- Alarm signal
- Supervisory signal
- No signal required
- Trouble signal (Correct answer)
Correct answer: Trouble signal
NFPA 72 requires that removal of a detector or initiating device from its base generate a trouble signal at the control unit.
Question 93: According to NFPA 25, what must be done after any sprinkler system work that requires draining the system?
- Perform a main drain test and restore the system to service (Correct answer)
- Replace all sprinkler heads
- Wait 24 hours before restoring service
- Submit a written report to the AHJ
Correct answer: Perform a main drain test and restore the system to service
NFPA 25 requires that after any system maintenance requiring draining, a main drain test be performed and the system fully restored to service.
Question 94: According to NFPA 72, which initiating device is required in the air ducts of HVAC systems serving multiple floors?
- Duct smoke detector (Correct answer)
- Sprinkler flow switch
- Heat detector
- Carbon monoxide detector
Correct answer: Duct smoke detector
NFPA 72 requires duct smoke detectors in HVAC systems to prevent smoke from being distributed to other areas through ductwork.
Question 95: What is the primary purpose of the National Electrical Code (NEC)?
- To create a standardized electrical coding system for manufacturers
- To ensure the safe installation of electrical wiring and equipment (Correct answer)
- To establish energy-saving guidelines for electrical systems
- To regulate the prices of electrical components
Correct answer: To ensure the safe installation of electrical wiring and equipment
The NEC is designed to protect people and property from electrical hazards through proper installation standards.
Question 96: Under NFPA 1, what is the required minimum width of a means of egress door in a new occupancy?
- 36 inches
- 44 inches
- 28 inches
- 32 inches (Correct answer)
Correct answer: 32 inches
NFPA 1 requires a minimum clear width of 32 inches for means of egress doors in new occupancies.
Question 97: Under NFPA 72, which type of detector is best suited for detecting slow, smoldering fires with little visible smoke?
- Fixed-temperature heat detector
- Ionization smoke detector
- Photoelectric smoke detector (Correct answer)
- Rate-of-rise heat detector
Correct answer: Photoelectric smoke detector
Photoelectric smoke detectors are most effective at detecting slow, smoldering fires that produce large combustion particles.
Question 98: According to NFPA 1, which of the following is NOT a permitted use of a means of egress?
- Access to a required exit discharge
- Storage of merchandise or supplies (Correct answer)
- Normal daily travel through the building
- Travel to the nearest exit
Correct answer: Storage of merchandise or supplies
NFPA 1 prohibits using means of egress for storage of any materials, as this can block safe evacuation routes.
Question 99: How many sections does the NFPA 704 hazard diamond contain?
- 3
- 6
- 5
- 4 (Correct answer)
Correct answer: 4
The NFPA 704 diamond contains exactly 4 sections: blue (health), red (flammability), yellow (instability), and white (special hazards).
Question 100: Under NFPA 10, what minimum rating is required for a Class B extinguisher protecting a high-hazard flammable liquid area with a 25-square-foot maximum fire size?
- 5-B
- 10-B (Correct answer)
- 20-B
- 40-B
Correct answer: 10-B
NFPA 10 tables require at least a 10-B rated extinguisher for high-hazard areas where maximum fire size is 25 square feet.
NFPA Certified Fire Inspector I (CFI-I) Exam
The NFPA CFI-I (Certified Fire Inspector I) exam is a 100-question multiple-choice test with a 4-hour time limit, requiring a passing score of 70%. It is based on NFPA 1 (Fire Code) and covers fire inspection administration, fire protection systems and equipment, storage and handling of hazardous substances, and occupancy-specific fire and life safety requirements.
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