CDL GENERAL KNOWLEDGE TEST (NH) - PRACTICE TEST
31.
After starting the engine the coolant temperature should:
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slowly decrease.
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rise quickly.
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hold steady.
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rise gradually.
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32.
Air tank drains:
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are used to move air to the brakes.
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are used to remove water and oil from the air tanks.
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protect the tanks and the rest of the system from too much pressure.
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should not be used in wet weather.
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33.
Objects that have fallen on the road:
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can damage electrical and brake lines.
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can be a danger to your tires and wheel rims.
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can be hazards.
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All of the above.
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34.
The parking brake should be tested while the vehicle is:
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moving back slowly.
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moving forward slowly.
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moving at highway speeds.
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None of the above.
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35.
Overloading can have bad effects on all of the following except:
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Exhaust system
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Steering
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Braking
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Speed control
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36.
On dry pavement, the braking distance when traveling at 55 mph is about:
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419 feet.
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142 feet.
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61 feet.
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216 feet.
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37.
When crossing railroad tracks, you should:
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try to pass slower vehicles.
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not stop.
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shift gears while crossing the tracks.
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put the transmission in Neutral.
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38.
When driving at night, you should use ________ when you can.
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high beams
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indicator lights
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low beams
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emergency flashers
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39.
When checking the condition of the visible parts during your pre-trip inspection, make sure that the _________ are secured against rubbing, snagging or wearing.
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air lines and electrical wiring
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reflectors
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side boards and stakes
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tailboards
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40.
In coming down steep downgrades, you should:
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use a low gear.
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go slowly enough so your brakes don't get too hot.
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select an appropriate speed.
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All of the above.
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