CDL PRACTICE TEST (NM) - GENERAL KNOWLEDGE TEST
31.
Which of these statements is correct?
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Loose cargo that falls off a vehicle can cause traffic problems.
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Loose cargo can hurt the driver during a quick stop.
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All of the above.
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32.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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2/32
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4/32
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1/32
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33.
Retarders:
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help slow a vehicle.
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reduce the need for using your brakes.
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All of the above.
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34.
Most heavy vehicles require ________ change gears.
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double shifting
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single clutching
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double clutching
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35.
If the coolant container is not part of the pressurized system:
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you can safely remove the cap and add coolant even when the engine is hot.
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you should remove the container cap and wait until the system has cooled.
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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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36.
When driving on wet roads, you should reduce your speed by about:
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one-half.
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one-fifth.
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one-third.
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37.
The spring brakes come on:
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when main air pressure is lost.
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when air pressure in both air brake systems rises to a value set by the manufacturer.
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when you bring the vehicle to a complete stop right away.
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38.
Who is responsible for making sure the lights and reflectors are clean?
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The driver
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The shipper
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The previous driver
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39.
If ABS is not working:
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you should stay off the brake.
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the brakes will lock up.
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a yellow malfunction lamp will light up on the control panel.
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40.
If you double your speed, your braking distance will be:
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4 times longer.
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3 times longer.
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8 times longer.
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