CDL PRACTICE TEST (HI) - GENERAL KNOWLEDGE TEST
21.
Which of the following is true about high beams?
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You should use them when you are not within 50 feet of an approaching vehicle.
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High beams should be used when it is safe and legal to do so.
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They should be used only if low beams suddenly stop working.
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22.
You should downshift:
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before entering a curve and before starting down a hill.
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before starting up a hill and while going around a curve.
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after starting down a hill and after entering a curve.
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23.
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 visibility is poor.
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When you are driving very slowly or are stopped.
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At night time.
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24.
To test your parking brake, do the following:
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Set the parking brake while going downhill.
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Set the parking brake, and gently pull against it in a low gear.
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Speed up to 5 mph, then set the parking brake.
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25.
Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
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distribute the cargo as low as possible.
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put the lightest parts of the cargo under the heaviest parts.
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All of the above.
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26.
Doing a vehicle inspection is very important. Why?
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Federal and state regulations require that drivers inspect their vehicle.
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A defect found during an inspection could save you problems later.
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All of the above.
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27.
Which of the following is NOT a warning sign of fatigue?
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Engaging in conversation with a passenger
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Trouble remembering the last few miles driven
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Yawning repeatedly
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28.
On wet roads, you must drive slower to be able to stop in the same distance as on a dry road. Reduce speed by about _______ when driving on a wet road.
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one-third
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70 percent
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one-quarter
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29.
During a walk around inspection, which of the following should you check?
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Shock absorber condition.
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Condition of the front axle.
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All of the above.
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30.
The header board, if equipped, should:
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block the forward movement of any cargo you carry.
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never be used for cargo.
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not be used in case of a crash or emergency stop.
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