NJ CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
If you see a hazard ahead, you should:
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come to a complete stop when safe to do so.
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call the emergency services.
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think about the emergencies that could develop and be prepared to take action.
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none of the above.
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22.
Transporting livestock requires special attention. Why?
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Because livestock can lean on curves.
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Because livestock can move around in a trailer.
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Because a rollover is more likely.
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All of the above.
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23.
To prevent getting sleepy while driving, you should:
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keep the cab warm.
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close the vent.
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keep cool by opening the window.
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drive alone whenever possible.
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24.
When checking the engine compartment:
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the engine should be running.
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you should put the gearshift in neutral.
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the parking brake should be on.
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wheels should not be chocked.
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25.
Blood Alcohol Concentration (BAC) is determined by:
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how frequently you drink.
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the type of alcohol you drink.
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the amount of alcohol you drink.
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All of the above.
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26.
In mountain driving, to select a safe speed you should:
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select a speed that's not too fast for the weight of your vehicle and cargo, the length and steepness of the grade, and road and weather conditions.
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follow the vehicle in front of you.
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go slightly faster than the speed limit.
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go 5 mph slower than the vehicle ahead.
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27.
Your mirrors should be adjusted so that:
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no part of the vehicle is visible in the mirror.
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more than half of the mirror shows the vehicle.
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a part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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28.
Before entering an intersection, make sure that:
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accelerate smoothly and change gears as necessary.
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there is sufficient space to clear it.
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That there is enough room for the rear of your vehicle to clear the stop line on your side.
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there's enough room to get at least halfway across.
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29.
You should carefully check for traffic:
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When driving through an intersection.
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As you approach an intersection.
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When approaching a curve.
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All of the above.
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30.
What should you do if your vehicle starts hydroplaning?
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Release the accelerator and push in the clutch to let the wheels turn freely.
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Apply the brakes and countersteer to regain control of the vehicle.
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Accelerate slightly, then push in the clutch to slow down.
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Leave the road completely.
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