CDL Hazmat 2 — Questions and Answers
Question 1: What does a placard on a vehicle indicate?
- The vehicle is carrying hazardous materials (Correct answer)
- The vehicle is overweight
- The driver holds a hazmat endorsement
- The trailer is refrigerated
Correct answer: The vehicle is carrying hazardous materials
Placards are diamond-shaped signs that warn others the vehicle contains hazardous materials.
Question 2: When are placards generally required on a transport vehicle?
- Only at night
- When transporting any quantity of certain materials or 1,001 lbs or more of others (Correct answer)
- Only when crossing state lines
- Whenever the truck weighs over 26,000 lbs
Correct answer: When transporting any quantity of certain materials or 1,001 lbs or more of others
Some materials require placards in any amount, while others require them at 1,001 pounds or more aggregate gross weight.
Question 3: How many placards must a placarded load display?
- One on the rear only
- Two, one on each side
- Four, on each side and each end (Correct answer)
- Three, on both sides and the front
Correct answer: Four, on each side and each end
Placards must be displayed on all four sides of the vehicle: front, rear, and both sides.
Question 4: What is the purpose of the four-digit ID number on some shipments?
- The driver's license number
- Identifies the specific hazardous material (Correct answer)
- The shipper's account number
- The route distance in miles
Correct answer: Identifies the specific hazardous material
The four-digit identification number identifies the specific hazardous material for emergency responders.
Question 5: Where must placards be readable to qualify as properly displayed?
- From the driver's seat
- Only in daylight
- Word and number readable from any direction (Correct answer)
- Only by emergency responders
Correct answer: Word and number readable from any direction
Placards must be readable from any direction so the hazard is identifiable from all sides.
Question 6: Who is responsible for properly placarding the vehicle?
- The shipper supplies them and the driver must apply and display them (Correct answer)
- Only the shipper
- Only the receiver
- The state DOT inspector
Correct answer: The shipper supplies them and the driver must apply and display them
The shipper provides the correct placards, but the driver is responsible for displaying them properly.
Question 7: A placard with the word 'DANGEROUS' may be used for what?
- Any single material in any amount
- Two or more Table 2 materials loaded at different locations (Correct answer)
- Only explosives
- Refrigerated foods
Correct answer: Two or more Table 2 materials loaded at different locations
The DANGEROUS placard can replace separate placards for two or more Table 2 materials.
CDL Hazmat 2
What does a placard on a vehicle indicate?