NEW JERSEY CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
The parking brake:
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should be used when you need to apply the brakes firmly.
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should be used whenever you park.
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should be used when driving in bad weather.
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All of the above.
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32.
Which of the following is a common cause of truck fires?
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Short circuits due to loose connections.
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loose fuel connections.
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Under-inflated tires and duals that touch.
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All of the above.
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33.
To test the parking brake:
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step on and off the brake pedal to reduce air pressure.
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check that all shut-off valves are in the open position.
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gently try to pull forward with the parking brake on.
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turn off the engine.
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34.
If you must drive slowly, how should you alert following drivers?
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Use your emergency flashers if it is legal
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Flash your brake lights
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Turn on your taillights
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Help them out by signaling when it is safe to pass
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35.
During a pre-trip inspection, to check your lights you should:
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turn off the engine, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
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with the engine running, put the vehicle in a forward gear and turn on the headlights.
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check the yellow malfunction lamps on the instrument panel.
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with the engine running, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
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36.
If you must stop on a one-way or divided highway, place your warning devices:
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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50 feet, 100 feet, and 150 feet toward the approaching traffic.
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37.
ABS will:
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not change your normal braking capability.
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shorten your stopping distance.
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not give you more control over the vehicle during braking.
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increase your average speed.
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38.
Texting while operating a commercial motor vehicle is:
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acceptable if you are contacting your supervisor.
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illegal.
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acceptable if you are contacting your dispacther.
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only allowed at night.
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39.
Which of the following is a good way to avoid becoming an aggressive driver?
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Be realistic about your travel time.
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Avoid talking on your cell phone.
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Keep your following distance reasonable.
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All of the above.
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40.
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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brake pressure will push the rod out.
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you will exceed the speed limit.
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the brakes will not work.
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