CDL PRACTICE TEST (NE) - GENERAL KNOWLEDGE TEST
21.
What is the most important hand signal you should agree on with a helper?
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Go forward
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Stop
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Turn right
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Keep backing
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22.
You should not use your horn unnecessarily. Why?
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On vehicles possessing air brakes, it uses up air pressure you may need to be able to stop
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The horn on a vehicle wears out very quickly
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The horn can startle other drivers, which could be dangerous.
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All of the above.
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23.
Placards are used to:
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indicate the maximum speed that the vehicle can reach on a level road.
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indicate the maximum speed that the vehicle can travel.
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warn the public to stay at least 500 feet away from the vehicle.
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identify the hazard class of the cargo.
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24.
For proper steering, steering wheel play should be no more than:
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10 degrees.
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30 degrees.
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25 degrees.
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50 degrees.
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25.
You should NOT use the parking brakes if:
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the brakes are cold.
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the brakes are very hot.
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the brakes are too dry.
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All of the above.
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26.
If an aggressive driver confronts you, you should NOT:
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make eye contact.
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try to let them pass.
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try to get out of their way.
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ignore gestures.
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27.
If you have to drive off the road to avoid a collision, you should:
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stay on the shoulder until your vehicle has come to a stop.
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avoid braking.
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keep one set of wheels on the pavement, if possible.
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All of the above.
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28.
To know when to shift, you can use each of the following except:
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engine sounds.
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road speed.
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perception distance.
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engine speed.
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29.
When you're in an accident and not seriously hurt, to help any injured parties you should:
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Keep the injured person warm.
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Get the injured person to stand up.
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Give the injured person a cold drink.
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None of the above.
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30.
Distracted driving can cause accidents. To avoid distractions while on the road, you should:
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plan your route while driving only if there are no cars around you.
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smoke, eat, and drink only when traffic conditions allow.
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turn off all communication devices.
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limit the use of your mobile phone to the first hour of driving.
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