CDL PRACTICE TEST (AL) - GENERAL KNOWLEDGE TEST
21.
You should schedule trips for:
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the middle of the day.
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the middle of the night.
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the hours you are normally awake.
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any time that fits your schedule.
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22.
Drivers may never drink alcohol within ______ before going on duty.
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12 hours
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45 minutes
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24 hours
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4 hours
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23.
Water in the brakes:
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can increase braking power.
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reduces wheel lockups.
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can cause the brakes to apply unevenly.
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All of the above.
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24.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
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as you drive.
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after pulling into a service station.
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before you start driving.
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within the first 50 miles.
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25.
When driving through a large puddle or flowing water, you should:
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gently put on the brakes.
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increase engine rpm.
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slow down.
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All of the above.
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26.
Which of the following is NOT true about escape ramps?
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Escape ramps are found on many mountain downgrades.
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Any driver who loses brakes going downhill should avoid using an escape ramp, if possible.
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Escape ramps are made to stop runaway vehicles safely.
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Escape ramps use a long bed of loose, soft material to slow runaway vehicles.
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27.
You should always back and turn toward the driver's side:
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so you can watch the rear of your vehicle by looking out the side window.
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unless it means having to go around the block first.
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unless you have someone to help you.
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All of the above.
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28.
When the spring brakes are on, you should never:
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change lanes.
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push the brake pedal down.
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decrease your speed.
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upshift.
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29.
You must have at least ________ tread depth in every major groove on front tires.
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1/16 inch
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4/32 inch
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1/2 inch
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2/32 inch
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30.
When driving on a slippery surface, you should do all of the following except:
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keep a shorter following distance.
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watch far enough ahead to keep a steady speed.
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not pass slower vehicles unless necessary.
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adjust braking to conditions.
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