PA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
For safety during a trip, you should:
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check critical items when you stop.
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use your senses to check for problems.
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watch gauges for signs of trouble.
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All of the above.
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32.
If you triple the speed from 20 to 60 mph the impact and braking distance is:
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6 times greater.
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12 times greater.
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3 times greater.
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9 times greater.
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33.
When the temperature drops, which of the following surfaces will become icy first?
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Bridges
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Off-ramps
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Curves
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Underpasses
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34.
Placards are used to:
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indicate the maximum speed that the vehicle can reach on a level road.
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identify the hazard class of the cargo.
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warn the public to stay at least 500 feet away from the vehicle.
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indicate the maximum speed that the vehicle can travel.
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35.
If you are confronted by an aggressive driver, you should:
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avoid eye contact.
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remain calm and relaxed.
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try to move away safely.
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All of the above.
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36.
The air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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All of the above.
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37.
Which of the following is part of checking lights?
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Getting out of the vehicle.
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Turning on the headlights and four-way flashers.
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Turning off the engine and taking the key with you.
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All of the above.
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38.
Who is responsible for recognizing overloads and poorly balanced weight?
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The loader
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The shipper
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The previous driver
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The driver
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39.
To reduce the chance of rollover, you should:
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put the lightest parts of the cargo under the heaviest parts.
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place the cargo as high as possible inside the trailer.
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distributed the cargo as low as possible inside the trailer.
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None of the above.
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40.
During a pre-trip inspection, you discover a power steering leak. You should:
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report the problem and make arrangements to use another vehicle.
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report the problem after your trip and try to stay on schedule.
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try to fix the problem while driving.
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report the problem and start your trip, driving slower than normal.
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