VA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
When the spring brakes are on, you should:
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pump the brakes.
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press the accelerator.
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not push the brake pedal down.
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22.
You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
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shift down to a speed that you can control without using the brakes.
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use the parking brake to hold the vehicle until the clutch engages.
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partly engage the clutch before you take your right foot off the brake.
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23.
Air pressure should build up in a single air system, within about:
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10 minutes.
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3 minutes.
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15 minutes.
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24.
Drivers should try to park their vehicle so that:
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there is at least one curb next to the vehicle.
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they can pull forward when they leave.
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they can do a walk around inspection.
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25.
Bracing is used to:
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prevent movement of cargo.
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make cargo easier to unload.
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increase the height of the vehicle’s center of gravity.
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26.
A drivers trip log, if required:
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may be brought up to date once a week.
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may be written in pencil.
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must be shown immediately when an officer requests it.
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27.
You should use your four-way emergency flashers:
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while crossing railroad tracks.
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when parked at the side of the road.
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when driving at night.
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28.
Which of the following is NOT a hazard?
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A cardboard box on the road
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Work zones
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An escape ramp
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29.
Alcohol:
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improves reaction time.
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impairs depth perception.
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does not affect judgement.
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30.
When your drive wheels have poor traction, retarders:
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will help you regain traction.
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can cause your wheels to skid.
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will stop working.
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