AL CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
What should you look for when checking tires?
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Cracked valve stems
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Cuts
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Fabric showing through the tread or sidewall
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All of the above
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32.
When you push the brake pedal down, air brakes work:
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after a short delay.
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after about 15 seconds.
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only when ABS is working.
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immediately.
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33.
Activities inside the vehicle that can distract your attention include:
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adjusting the radio.
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picking up something that fell.
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talking to passengers.
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All of the above.
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34.
When a tire suddenly blows out while you are driving, what should you do first?
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Hold the steering wheel firmly and stay off the brakes.
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Use the parking brake.
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Brake lightly and hold the steering wheel firmly.
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Use controlled or stab braking.
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35.
If the low air pressure warning light comes on, you should:
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stop immediately.
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continue to drive normally.
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set the parking brake.
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call for help.
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36.
During a trip you should check:
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temperature gauges.
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pressure gauges.
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mirrors.
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All of the above.
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37.
To warn drivers behind you when you see you'll need to slow down, you should:
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flash the brake lights.
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turn off your lights.
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sound your horn.
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use your headlights.
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38.
Eating while driving is:
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a source of distraction.
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mandatory when driving alone.
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a way to be more productive.
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a good way to prevent drowsiness and maintain alertness.
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39.
One way to prevent hydroplaning is to:
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take curves at higher speeds.
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have less than 4/32 inch tread depth in every major groove on front tires.
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make sure you have enough tread on your tires.
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use the controlled braking method.
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40.
Under-loaded front axles can:
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cause poor traction.
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make the steering axle weight too light to steer safely.
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cause the drive wheels to spin easily.
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All of the above.
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