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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Mississippi hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MS CDL hazmat test covers the information found in the Mississippi CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. Who is required to keep a record of hazardous materials training?
HazMat employers
The local transportation agency
The Environmental Protection Agency
The person receiving the training
2. Anti-lock brakes:
help you stop faster.
reduce the perception distance.
keep your brakes from locking up when you brake hard.
increase your stopping distance.
3. To avoid rollbacks when you start, you should:
put on the parking brake whenever necessary.
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
release the parking brake only when you have applied enough engine power.
All of the above.
4. When driving trucks with trailers, drivers should:
avoid making sudden movements with the steering wheel.
decrease their following distance.
push the brake pedal to the floor when braking.
make quick lane changes.
5. You are inspecting your vehicle during a trip. What should you do?
Check critical items such as tires, brakes, and lights.
Use your senses to check for problems.
Watch gauges for signs of trouble.
All of the above.
6. Who must certify that the package has been prepared according to the rules?
The shipper
The carrier
The helper
The driver
7. When more cargo is piled up in a truck, the center of gravity moves:
to the left side of the truck.
to the right side of the truck.
higher up from the road.
closer to the ground.
8. Which of the following is NOT a good rule for using turn signals?
Cancel your signal after you have turned
Signal early
Cancel the signal before completing the turn
Signal continuously
9. Front-end header boards:
reduce traction.
protect drivers from spilled cargo.
protect drivers from cargo in case of an accident or emergency stop.
should never be used.
10. If radioactive material is involved in a leak or broken package:
immediately contact the fire department.
do not use the vehicle until it is cleaned.
do not touch the leaking package and drive to the nearest service station.
clean the vehicle without touching the radioactive material.
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MS CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Number of questions: 30
Correct answers to pass:24
Passing score:80%
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