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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 Connecticut hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The CT CDL hazmat test covers the information found in the Connecticut 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. Retarders:
help prevent accidents by applying extra braking power to the non-drive wheels.
apply their braking power whenever you push on the accelerator.
help slow a vehicle and reduce brake wear.
All of the above.
2. The best advice for driving in fog is:
use low beams.
use high beams.
drive slowly in the left lane of traffic.
don't drive.
3. If you discover a cargo leak, you should call for help and:
try to identify the material by smell.
use shipping papers to identify the leaking material.
continue driving in order to find a truck stop.
touch the leaking HazMat to identify the material.
4. If you notice a cargo leak, you should identify the hazardous material leaking:
by using the shipping papers.
by smell.
by taste.
by touching the material.
5. With low beams, drivers can see ahead about:
100 feet
15 feet
250 feet
150 feet
6. If hazardous materials are spilling from your vehicle, do not move it:
any more than safety requires.
any more than 500 feet.
unless you are instructed to do so by a law enforcement officer.
any more than 400 feet.
7. Escape ramps:
are designed to stop runaway vehicles safely.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
cannot be used by certain types of heavy vehicles.
All of the above.
8. If your placarded trailer has dual tires, you should check the tires:
once every three hours.
once every 100 miles.
at the start of each trip and every time you stop.
once every 3 months.
9. Who is required to keep a record of hazardous materials training?
The Environmental Protection Agency
The person receiving the training
The local transportation agency
HazMat employers
10. When you take a break in the middle of your trip, you should check:
heater, defroster and windshield wiper blades.
tires, brakes, lights and cargo securement devices.
gauges for signs of trouble.
missing exhaust pipes.
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CT 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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