CDL PRACTICE TEST (SD) - GENERAL KNOWLEDGE TEST
31.
When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
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lower than
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the same as
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higher than
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None of the above.
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32.
To avoid becoming distracted while driving, you should:
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familiarize yourself with your vehicle's features within the first 10 miles of driving.
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pre-program your favorite radio stations.
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be careful when reading a text message on your mobiledevice while driving.
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All of the above.
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33.
After starting the engine the coolant temperature should:
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rise gradually.
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slowly decrease.
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rise quickly.
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hold steady.
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34.
After starting the engine, you are looking at the oil pressure gauge. Oil pressure should come up to normal within:
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seconds.
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10 minutes.
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2 minutes.
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5 minutes.
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35.
On front tires, tread should be at least:
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4/32 inch
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1/16 inch
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4/16 inch
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2/32 inch
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36.
It is safer to drive over (rather than to avoid) which of the following?
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Cardboard boxes
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Paper and cloth sacks
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Plastic containers
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None of the above.
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37.
Front-end header boards:
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protect drivers from spilled cargo.
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should never be used.
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protect drivers from cargo in case of an accident or emergency stop.
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reduce traction.
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38.
Strong winds can make it difficult to stay in your lane especially when driving:
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vehicles with ABS.
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heavier vehicles.
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flatbed trailers.
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lighter vehicles.
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39.
The spring brakes come on:
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when you bring the vehicle to a complete stop right away.
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when air pressure in both air brake systems rises to a value set by the manufacturer.
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when main air pressure is lost.
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when you lose ABS control.
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40.
The air compressor is connected to:
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the radiator.
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the suspension system.
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the transmission.
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the engine.
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