CDL PRACTICE TEST (NC) - GENERAL KNOWLEDGE TEST
21.
When driving in very hot weather, the heat will increase the chances of:
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loss of hydraulic pressure.
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ABS malfunction.
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tire failure.
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suspension system defects.
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22.
The 2 special conditions where you should downshift are:
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Before starting down a hill and before entering a curve.
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While going down hill and after finishing a curve.
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Before starting up a hill and before finishing a curve.
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Before starting up a hill and after finishing a curve.
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23.
When looking ahead of your vehicle while you are driving, you should:
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look to the right side of the road.
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look as far as your peripheral vision can see.
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shift your attention back and forth, near and far.
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look to the left side of the road.
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24.
A drivers trip log, if required:
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must be shown immediately when an officer requests it.
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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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All of the above.
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25.
Which of the following statements about drinking alcohol is TRUE?
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Alcohol only impairs judgement, not muscle coordination.
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Alcohol only affects people who are not used to drinking.
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Coffee and a little fresh air will help a drinker sober up.
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A 5-ounce glass of 12 percent wine contains the same amount of alcohol as a 12-ounce glass of 5 percent beer.
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26.
During your pre-trip inspection, you should check:
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Windshield wipers.
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Warning flashers.
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Tire tread depth.
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All of the above.
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27.
When backing, if you are unsure you should:
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continue backing.
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call your dispatcher.
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turn toward the passenger's side.
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get out of your vehicle and check your path.
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28.
Which of the following statements about hydroplaning is true?
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Hydroplaning usually occurs at speeds lower than 30 mph.
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If your vehicle is hydroplaning, you should use the brakes to slow down.
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Hydroplaning is less likely if tire pressure is low.
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Hydroplaning is more likely if tire tread is worn.
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29.
Which of the following is NOT TRUE?
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You should cover cargo to protect it from the weather.
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In many states, spill protection for covered cargo is a requirement.
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You should check that you don't exceed gross and axle weight limits.
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You should regularly inspect the contents of sealed loads.
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30.
To obtain the HazMat endorsement, a person must be:
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under indictment for certain felonies.
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a former qualified military service member.
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a U.S. citizen.
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None of the above.
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