GENERAL KNOWLEDGE CDL TEST HAWAII - PRACTICE TEST
21.
You should be especially alert for drunk drivers:
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around shopping areas.
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late at night.
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in the morning.
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22.
Drivers should watch out for black ice when the temperature is ______ freezing and the road looks ______.
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above; wet
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below; dry
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below; wet
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23.
Glad hands are:
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coupling devices.
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securement devices.
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warning devices.
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24.
How many reflective triangles/emergency reflectors should you carry?
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2
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3
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4
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25.
When possible, you should park:
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so you will have to back up when you leave.
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so you will be able to pull forward when you leave.
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on the shoulder.
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26.
To know when it's time to shift up:
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use mirrors on both sides.
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use engine speed and road speed.
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watch your tachometer, and shift up when your engine reaches the bottom of the range.
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27.
When inspecting a vehicle's suspension, you should look for broken or missing leaves in the leaf springs. If ____ or more are missing, it will put the vehicle out of service.
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25%
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10%
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50%
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28.
If you are carrying a heavy load that is slowing you down, you should:
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drive in the left lane.
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drive in the right lane.
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drive on the shoulder.
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29.
The tractor protection valve:
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prevents the trailer from being accidentally released.
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keeps air in the brake system should the trailer develop a bad leak.
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keeps your wheels from locking up when you brake hard.
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30.
Which of the following statements about engine overheating is true?
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You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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You should never shut off an overheated engine until it cools.
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Low speeds create more heat for the engine.
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