VA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
To use the controlled braking method in an emergency, you should:
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apply the brakes as hard as you can without locking the wheels.
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apply your brakes all the way, and release the brakes when the wheels lock up.
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apply the brakes when the wheels lock up.
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22.
Name 2 causes of tire fires.
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Driver smoking and bleeding tar.
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Loose connections and poor ventilation.
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Under-inflated tires and duals that touch.
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23.
ABS:
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allows you to brake harder.
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is an addition to your normal brakes.
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should only be used on dry roads.
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24.
As part of your pre-trip inspection, make sure:
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the cargo is balanced properly.
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the vehicle is not overloaded.
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All of the above.
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25.
Federal, state, and local regulations for commercial vehicles:
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only apply to CMV's operated in interstate commerce.
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vary from place to place.
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do not apply to CMV's operated in intrastate commerce.
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26.
Regrooved tires:
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cannot be used on the front wheels of buses.
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cannot be used on the wheels of buses.
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cannot be used on the rear wheels of buses.
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27.
Which of the following trailers can get stuck on raised crossings?
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Lowboy
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Car carrier
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All of the above.
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28.
No matter how small the cargo is, it should have at least:
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1 tie-down.
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2 tie-downs.
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4 tie-downs.
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29.
To prevent drowsiness before a trip, drivers should:
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avoid medications that cause drowsiness.
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avoid scheduling trips for the middle of the night.
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All of the above.
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30.
What three things add up to total stopping distance?
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Reaction distance + braking distance
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Perception distance, reaction distance and braking distance
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Braking distance + stopping distance
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