CDL GENERAL KNOWLEDGE TEST (NJ) - PRACTICE TEST
21.
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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None of the above.
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22.
What are the two basic reasons for covering cargo?
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To protect people from spilled cargo and the cargo from pilferage.
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To protect people from spilled cargo and the cargo from weather.
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To protect the cargo from weather and to avoid littering.
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To protect the cargo from pilferage and from weather.
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23.
When trying to put out an electrical fire you should:
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use a B or C extinguisher.
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use an D extinguisher.
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use water.
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use an A extinguisher.
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24.
Blocking _______________ to keep it from sliding.
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is used only in the back of a piece of cargo
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goes from the upper part of the cargo to the floor
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is used in the front, back, and/or sides of a piece of cargo
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None of the above.
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25.
Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
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15 miles
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100 miles
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25 miles
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50 miles
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26.
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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27.
To maintain alertness while driving, you should:
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rely on caffeine.
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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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keep the cab warm.
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28.
Headlights:
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can blind other drivers.
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should be out of adjustment.
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must be turned on a half hour before sunset to a half hour after sunrise.
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should not be used when driving at night.
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29.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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3/32
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2/32
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4/32
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1/32
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30.
If a vehicle is equipped with ABS, when you start the engine:
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the trailer emergency brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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the wheels will lock up.
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the spring brakes will come on.
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