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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The West Virginia CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The WV tanker test covers the following sections of the West Virginia CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this WV tanker practice test now to prepare for the actual test!
1. Emergency equipment is:
only required when transporting hazardous materials.
2. You should always adjust your speed to be able to stop within:
30 feet.
the length of your vehicle.
50 feet.
the distance you can see ahead.
3. ________ is responsible for identifying the hazard class of the material when shipping.
The supply chain manager
The driver
The shipper
The motor carrier
4. When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
5 reflective triangles
an approved cell phone
approved goggles
an approved gas mask
5. While you are driving a tanker, the front wheels begin to skid. Which of these is most likely to occur?
Your tires will fail soon.
Excessive heat will cause chemical changes in the brake lining, which reduce friction.
You will keep moving forward no matter how you steer.
The truck will roll over.
6. Placards should be placed at least ______ away from any other markings.
7 inches
6 inches
3 inches
15 inches
7. When approaching a stopped school bus, drivers must be aware that:
the bus may suddenly start up and drive into your way.
passengers may cross in front of or behind the bus.
students may start to get out of the bus.
All of the above.
8. When going down a steep downgrade, you should primarily brake using:
the braking effect of the engine.
the service brakes.
the emergency brake.
the parking brake.
9. When checking the engine compartment in a vehicle inspection, you should check all of the following except:
Shock absorbers
Engine oil level
Coolant level in radiator
Windshield washer fluid level
10. In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
should be added regularly.
should be drained completely.
should not be removed.
None of the above.
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WV CDL Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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