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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 Missouri CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MO tanker test covers the following sections of the Missouri CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this MO tanker practice test now to prepare for the actual test!
1. Brake fade:
results from excessive heat caused by using brakes too much.
relies on the engine braking effect.
All of the above.
2. If radioactive material is involved in a leak or broken package:
do not touch the leaking package and drive to the nearest service station.
immediately contact the fire department.
do not use the vehicle until it is cleaned.
3. The best way to recognize that your trailer has started to skid is:
by recognizing tire failure.
by feeling the brakes come on.
by seeing it in your mirrors.
4. To avoid blinding others, you should dim your lights within _____  of an oncoming vehicle.
None of the above.
5. To control liquid surge, when stopping you should:
not keep a steady pressure on the brakes.
not release the brakes too soon.
not brake far in advance of a stop.
6. Which of the following is not a way to know when to change gears?
Use road speed (mph)
Check that the pressure gauge shows normal oil pressure
Use engine speed (rpm)
7. What is the most important reason to inspect your vehicle?
Vehicle inspection is required by federal and state laws.
Saving money by preventing costly repairs.
Your safety and that of other road users.
8. One way to control liquid surge is to:
release the brakes soon when coming to a stop.
brake far in advance of a stop and increase following distance.
drive below the speed limit.
9. Smooth bore tanks:
have nothing inside to slow down the flow of liquid.
have bulkheads in them with holes to limit the flow of liquid.
have bulkheads with holes to let the liquid flow through.
10. Black ice is:
ice that makes the road look dry.
a thin layer of black ice.
None of the above.
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MO Tanker CDL Test

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