GENERAL KNOWLEDGE CDL TEST TENNESSEE - PRACTICE TEST
21.
An anti-lock braking system (ABS):
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helps you avoid wheel lock up.
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should help you steer around an obstacle while braking.
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helps you avoid skids caused by over braking.
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All of the above.
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22.
Which of the following statements about backing is TRUE?
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You should avoid backing whenever you can.
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Backing is always dangerous.
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When you have to back, you should back and turn toward the driver's side whenever possible.
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All of the above.
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23.
Front-end header boards:
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should never be used.
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protect drivers from spilled cargo.
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reduce traction.
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protect drivers from cargo in case of an accident or emergency stop.
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24.
When should you use the 4-way emergency flashers instead of flashing the brake lights to warn the drivers behind you?
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When you are driving very slowly or are stopped.
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When visibility is poor.
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When driving in strong winds.
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At night time.
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25.
To check the automatic transmission fluid:
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the wheel nuts must be loose.
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the engine may have to be running.
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you should turn the engine off.
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you must go down grades.
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26.
You must have at least ________ tread depth on tires other than front tires.
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2/32 inch
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8/32 inch
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4/16 inch
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4/32 inch
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27.
Signaling well before you turn is the best way to:
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let oncoming drivers know that you are about to make a turn.
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let pedestrians know that you are about to make a turn.
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keep other drivers from trying to pass you.
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invite other drivers to get around you.
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28.
If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
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Apply direct pressure to the wound.
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Poor cold water on the wound.
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Look for a doctor.
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Keep the injured person cold.
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29.
When driving trucks with trailers, drivers should:
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make quick lane changes.
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avoid making sudden movements with the steering wheel.
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decrease their following distance.
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push the brake pedal to the floor when braking.
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30.
What is an "escape ramp"?
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A ramp built on steep mountain downgrades, made to stop runaway vehicles safely.
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A road shoulder made to support the weight of large vehicles and, therefore, offer an escape route.
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A short section of road by which traffic may leave a controlled access highway.
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None of the above.
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