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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 California hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The CA CDL hazmat test covers the information found in the California 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. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
shifting into neutral may help slow the vehicle.
the parking brake should never used to slow the vehicle.
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
2. Before moving a tank of hazardous materials, you must:
call the Chemical Transportation Emergency Center and tell them your destination.
send the shipping papers to the shipper.
close all manholes and valves.
3. An Anti-lock Braking System (ABS):
keeps your wheels from locking up when you brake hard.
increases your normal braking capability.
lets you drive faster.
4. The power unit of placarded vehicles must have a fire extinguisher with a UL rating of _______ or more.
15 B:C
10 A:B
10 B:C
5. When driving on slippery roads, you should NOT:
use the engine brake.
go slowly.
try to anticipate stops early.
6. Shipping papers must include:
the price of the hazardous materials.
an emergency response telephone number.
what the materials will be used for.
7. Before leaving your vehicle unattended, you should:
Apply the parking brake.
Remove the keys.
All of the above.
8. When loading hazardous materials:
do not use hooks or other tools which might damage containers or other packaging.
wrap leaking packages in plastic before loading them.
do not load hazardous materials away from heat sources.
9. ________ is responsible for identifying the hazard class of the material when shipping.
The driver
The motor carrier
The shipper
10. The regulations require that HazMat employees be trained and tested at least once every:
5 years.
3 years.
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CDL Hazmat Test CA

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