CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEVADA)
21.
Fully loaded trucks require greater stopping distances than empty vehicles. True or False?
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False.
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True.
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True, but only if the truck was built after 1998.
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True, but only on wet surfaces.
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22.
What should you do at an accident scene, among other things, to help prevent another accident?
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If you are stopping to help, park in the area immediately around the accident.
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Call for assistance.
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Stay in your vehicle and file an accident report.
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Put on your 4-way emergency flashers.
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23.
Which of the following is checked in a pre-trip inspection?
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Wiper blades
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Steering wheel
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Mirrors and windshield
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All of the above.
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24.
Older trailers do not have spring brakes. If the air supply leaks away:
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the ABS won't work properly.
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there will be no emergency brakes.
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the trailer will stop normally.
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All of the above.
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25.
To use the controlled braking method in an emergency, you should:
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pump the brake pedal 3 times.
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apply your brakes all the way, and release the brakes when the wheels lock up.
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apply the brakes when the wheels lock up.
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apply the brakes as hard as you can without locking the wheels.
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26.
When going down long, steep downgrades, you should:
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only use the brakes.
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rely solely on engine braking to reduce your speed.
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try not to use the brakes.
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downshifting and then use the brakes.
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27.
If you let air out of hot tires:
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the tires will cool off much sooner.
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as the tire cools, the air pressure will be too low.
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air pressure will increases, causing the tires to blow out.
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None of the above.
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28.
To stay alert while driving, you should:
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rely on caffeine.
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never open the window or use the air conditioner.
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avoid medications that can cause drowsiness.
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All of the above.
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29.
The best way to test the trailer service brakes is to:
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put the handbrake on when there are no vehicles around you.
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pull forward quickly, then apply the trailer brakes with your hand control.
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accelerate to the maximum possible speed, then apply the trailer brakes fully.
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None of the above.
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30.
When a tire fails, do NOT:
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brake, unless you're about to run into something.
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keep a firm grip on the steering wheel.
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stay off the brake until the vehicle has slowed down.
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None of the above.
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