CDL GENERAL KNOWLEDGE TEST (NEVADA) - PRACTICE TEST
31.
When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:
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you could lose control.
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you will exceed the speed limit.
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the brakes will not work.
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brake pressure will push the rod out.
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32.
Wheel and rim problems include:
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rust around wheel nuts.
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mismatched lock rings.
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missing clamps.
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All of the above.
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33.
When driving past parked vehicles, you should:
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stay close to the vehicles.
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sound your horn.
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turn on your taillights.
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watch for clues that the parked vehicle is about to move.
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34.
Which of these is NOT part of the basic method for shifting up?
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Push in the clutch and shift to the higher gear at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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Release the clutch and press the accelerator at the same time.
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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35.
Under-loaded front axles:
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can improve traction.
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can make the steering axle weight too light to steer safely.
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can cause tire failure.
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All of the above.
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36.
When driving in foggy conditions you should:
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drive on the shoulder.
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flash your brake lights.
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speed up.
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slow down.
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37.
The Johnson bar is a valve that:
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reduces the braking pressure to a safe level.
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works the trailer brakes.
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is installed in the first tank the air compressor pumps air to.
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keeps air from going out if the air compressor develops a leak.
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38.
Parking brakes are:
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not required on buses.
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required on all vehicles.
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not required on commercial vehicles with air brakes.
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not required on trailers.
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39.
In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
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Road conditions
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Weather
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Your schedule
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Steepness of the grade
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40.
If the drive wheels start to skid:
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accelerate slightly to regain control.
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push in the clutch to let them turn freely.
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use the brakes to slow down.
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All of the above.
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