CDL GENERAL KNOWLEDGE TEST (ID) - PRACTICE TEST
31.
When a tire fails, the driver should:
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immediately apply the brakes.
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swerve to the right.
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stay off the brake.
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32.
If you get stuck on the railroad tracks, the first thing you should do is:
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scream for help.
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stay in your vehicle and call 911.
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immediately get out of the cab and move away from the tracks.
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33.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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jackknifing.
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off-tracking.
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hydroplaning.
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34.
You are inspecting your vehicle during a trip. What should you do?
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Use your senses to check for problems.
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Check critical items such as tires, brakes, and lights.
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All of the above.
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35.
Poor weight balance:
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increases fuel efficiency.
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improves handling.
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can make vehicle handling more difficult.
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36.
The height of the vehicle's center of gravity:
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should only be a concern when loading a vehicle.
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should only be a concern when driving a vehicle.
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is very important for safe handling.
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37.
Which of the following is not a way to know when to change gears?
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Use engine speed (rpm)
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Use road speed (mph)
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Check that the pressure gauge shows normal oil pressure
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38.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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loss of hydraulic pressure.
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relying too much on the engine braking effect.
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excessive downshifting.
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39.
If confronted by an aggressive driver, you should:
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ignore gestures
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try to stay in front of them.
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react to gestures.
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40.
You must use ________ as the principal way of controlling your speed on downgrades.
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controlled braking
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the braking effect of the engine
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the brake pedal
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