CDL PRACTICE TEST (AR) - GENERAL KNOWLEDGE TEST
21.
When using the controlled braking method, you:
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apply the brakes all the way and release brakes when wheels lock up.
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repeatedly tap the brakes as fast as you can.
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lightly apply braking pressure.
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apply the brakes as hard as you can without locking the wheels.
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22.
Which of the following is NOT a reason for hydraulic brake failure?
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Brake fade on long hills
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Loss of hydraulic pressure
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Stab braking
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All of the above.
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23.
Vehicles must be equipped with emergency equipment, including:
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2 battery-operated flashlights.
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a safety valve.
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spare electrical fuses.
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horn.
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24.
If your ABS malfunctions:
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you still have normal brake functions.
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the parking brakes will not work.
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you should immediately come to a complete stop.
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the service brake will not work.
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25.
When passing a parked vehicle, which of the following is the only thing you do NOT need to watch out for?
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Lights coming on
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Wheels starting to turn
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Passenger door opening
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Driver's door opening
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26.
Effects of distracted driving include:
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slowed perception.
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failure to perceive an important traffic event.
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delayed decision making.
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All of the above.
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27.
Before driving a vehicle with a dual brake brake system, the driver should:
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pump the brake pedal 10 times to build pressure.
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wait at least 10 minutes before driving.
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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wait at least 5 minutes before driving.
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28.
Which of the following statements about alcohol is TRUE?
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Taking a cold shower will help sober you up.
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Time is the only method that works to sober you up.
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Drinking black coffee will help sober you up.
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Most people can drink 2 beers without affecting their driving ability.
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29.
When making a turn, you should cancel your turn signal:
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once the rear end of your cab has cleared the turn.
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once more than half of your vehicle is round the turn.
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once you have completed the turn.
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once you have begun the turn.
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30.
If you triple the speed from 20 to 60 mph the impact and braking distance is:
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9 times greater.
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3 times greater.
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6 times greater.
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12 times greater.
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