CDL PRACTICE TEST - GENERAL KNOWLEDGE (MISSISSIPPI)
21.
If a load is placed on one side of the trailer:
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the steering axle weight will be too light to steer safely.
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making turns may be easier.
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a rollover is more likely.
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your brakes won't work.
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22.
Which of the following statements about tire failure is true?
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Any time you hear a tire blow, you would be safest to assume it is not yours.
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If the steering feels heavy, it may be a sign one of the rear tires has failed.
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It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
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All of the above.
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23.
Checking your vehicle's suspension system includes checking:
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the mounting brackets.
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the air suspension systems.
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the tires.
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All of the above.
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24.
Rough acceleration can cause:
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mechanical damage.
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damage electrical and brake lines.
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tire damage.
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All of the above.
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25.
Federal and state laws require that drivers inspect their vehicles:
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only when traveling out of state.
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if they believe there may be a mechanical problem.
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routinely before operating the vehicle, during a trip and at the end of the trip, day, or tour of duty.
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only when transporting hazardous materials.
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26.
It is safer to drive over (rather than to avoid) which of the following?
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Paper and cloth sacks
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Cardboard boxes
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Plastic containers
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None of the above.
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27.
When driving, you should check your mirrors:
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every 4 seconds.
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only when there may be a problem.
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regularly.
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every 10 seconds.
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28.
when you apply the service brake at 5 mph, which of the following might indicate a problem?
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The vehicle stops when the brake is applied.
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The tongue/draw-bar is not bent.
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The vehicle pulls to one side or the other.
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All the other answers are correct.
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29.
When steering to avoid a crash, you should:
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lock your wheels while turning.
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not turn any more than needed to clear the hazard.
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accelerate and steer at the same time.
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apply the brake while you are turning.
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30.
Federal, State, and local regulations concerning commercial vehicle weight, securing cargo, and covering loads vary widely. You should obey:
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Local regulations
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Federal regulations
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State regulations
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All of the above.
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