CDL PRACTICE TEST (WV) - GENERAL KNOWLEDGE TEST
21.
To maintain alertness while driving, you should:
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rely on caffeine.
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keep the cab warm.
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take periodic breaks – about every 250 miles.
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protect yourself from glare with sunglasses.
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22.
Obstacles on the roadway that appear to the harmless:
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should be driven over.
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can be dangerous.
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never contain material capable of causing damage.
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None of the above.
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23.
Name two causes of tire fires.
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Under-inflated tires and dual tires that touch
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Excessive braking
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Driver smoking and poor ventilation.
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Mismatched tires and road debris.
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24.
The best advice for driving in fog is:
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pass other vehicles on the right.
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turn on your 4-way emergency flashers and slow down before you enter fog.
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do not drive.
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listen for fog-related warning signs.
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25.
Stab braking:
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involves applying the brakes as hard as you can without locking the wheels.
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involves applying the brakes all the way, and releasing them when wheels lock up.
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should never be used.
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involves steady pressure on the brake pedal without locking the wheels.
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26.
To make an emergency using the stab braking method, you should:
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apply your brakes all the way, release the brakes when the wheels lock up, and apply the brakes again as soon as the wheels start rolling.
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apply the brakes as hard as you can without locking the wheels.
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fully apply the brakes until the wheels lock up, then stay off the brake until the vehicle has slowed down.
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apply firm pressure to the brake pedal and hold for 6 seconds, then pump the pedal three times.
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27.
To prevent drowsiness you should:
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keep the cab warm.
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drive with a passenger.
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drive at night.
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eat frequently.
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28.
When signaling what you intend to do, you should:
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signal continuously.
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signal early.
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cancel your signal after you have turned.
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All of the above.
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29.
What is a "header board"?
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The pressure gauge connected to the air tank.
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A safety device that protects you from your cargo in case of an accident.
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The back door of the cargo compartment.
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Another term for the brake camshaft.
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30.
ABS:
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helps you increase your following distance.
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improves your visibility at night.
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does not decrease your stopping distance.
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helps you increase your average speed.
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