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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 West Virginia hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The WV CDL hazmat test covers the information found in the West Virginia 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. When your drive wheels have poor traction, you should:
turn the retarder off.
only use the retarder on the front wheels.
turn the retarder on.
only use the retarder on the rear wheels.
2. When driving on slippery roads, you should NOT:
use the engine brake.
watch far enough ahead to keep a steady speed.
go slowly.
try to anticipate stops early.
3. Strong winds can make it difficult to stay in your lane, especially when:
driving alongside other vehicles.
going into tunnels.
driving at speeds below 40 mph.
coming out of tunnels.
4. When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
6 seconds
5 seconds
4 seconds
12 seconds
5. To avoid rollbacks when you start, you should:
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
put on the parking brake whenever necessary.
release the parking brake only when you have applied enough engine power.
All of the above.
6. Checking the automatic transmission fluid level may require:
the engine to be running.
you to pump the brake.
the 4-way emergency flashers to be activated.
the vehicle to be parked downhill.
7. Which of the following statements is true?
Carrying a properly charged and rated fire extinguisher will help prevent fires.
Under-inflated tires will NOT cause a vehicle fire.
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
Poor cargo ventilation is a common cause of fire.
8. Placards are:
used to warn others when the Gross Vehicle Weight (GVW) exceeds 10,000 pounds.
signs put on the outside of a vehicle that identify the hazard class of the cargo.
signs put on the inside of a vehicle that remind the driver of the type of cargo he or she is carrying.
signs that warn others to stay at least 500 feet away from the vehicle.
9. Drivers involved in transporting hazardous materials must:
keep hazardous materials shipping papers and emergency response information in the proper place.
make sure the shipper has identified, marked, and labeled the hazardous materials properly.
safely transport the shipment without delay.
All of the above.
10. To know how much space you should keep in front of you:
estimate how many vehicle lengths there are between you and the vehicle ahead.
estimate how many seconds it would take you to reach the vehicle ahead.
wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot.
None of the above.
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Hazmat CDL Test (WV)

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