CDL GENERAL KNOWLEDGE TEST (UT) - PRACTICE TEST
21.
When checking the condition of the visible parts during your pre-trip inspection, make sure that the _________ are secured against rubbing, snagging or wearing.
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air lines and electrical wiring
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reflectors
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tailboards
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side boards and stakes
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22.
Confused drivers can be very hazardous. Clues to confusion include:
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hesitation.
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changing lanes for no apparent reason.
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using brakes often.
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All of the above.
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23.
When transporting cargo, drivers:
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should inspect the securement of the cargo only if they see problems that could cause a crash.
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should not inspect the cargo within the first 50 miles of a trip.
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must inspect the securement of the cargo within the first 50 miles of a trip.
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must inspect the securement of the cargo within the first 150 miles of a trip.
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24.
Hydroplaning occurs when:
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you release the accelerator too soon.
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tire pressure is high.
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you push in the clutch to let the drive wheels turn freely.
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tires lose traction.
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25.
Foundation brakes are used:
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only with the front wheels.
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at each wheel.
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only with the right wheels.
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only with the rear wheels.
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26.
Retarders:
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improve gas mileage.
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reduce braking distance.
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reduce the danger of slipping.
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help slow a vehicle, reducing the need for using brakes.
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27.
When you need to brake, you should warn the drivers behind:
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by making gestures.
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by changing lanes.
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by turning on the 4-way emergency flashers.
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by flashing your brake lights.
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28.
Which of the following statements is true?
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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Poor cargo ventilation is a common cause of fire.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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Under-inflated tires will NOT cause a vehicle fire.
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29.
Which of the following is NOT a warning sign of fatigue?
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Yawning repeatedly
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Trouble remembering the last few miles driven
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Trouble keeping your head up
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Engaging in conversation with a passenger
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30.
Fully loaded rigs:
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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are much more likely to roll over than empty rigs.
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None of the above.
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