CDL GENERAL KNOWLEDGE TEST (OK) - PRACTICE TEST
11.
Interstate commerce means trade, traffic, or transportation in the U.S. that is between:
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A place in a state and a place outside such state or outside the U.S.
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Two places in the state through another state or a place outside of the U.S.
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All of the above.
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12.
When changing lanes, you should:
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do it quickly.
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not use your turn signals.
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None of the above.
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13.
Mirror adjustment should be checked:
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only if you plan on using them.
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once a week.
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prior to the start of any trip.
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14.
To avoid becoming distracted while driving, you should:
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be careful when reading a text message on your mobiledevice while driving.
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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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15.
You should always be looking for hazards to have time to plan a way out of any emergency. This is part of being a:
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defensive driver.
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modular driver.
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reasonable driver.
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16.
The air compressor governor:
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stops the compressor from pumping air.
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controls when the air storage tanks will pump air into the air compressor.
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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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17.
The law requires __________ to inspect a commercial motor vehicle before a trip.
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a qualified inspection technician
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a qualified testing engineer
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the driver
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18.
When drivers make a turn they should:
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look behind the vehicle.
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look in the opposite direction of the turn.
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look in the direction they are going to turn.
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19.
Which of the following statements about cargo needing special attention is true?
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Overweight loads do not require special transit permits during daylight hours.
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Dry bulk tanks require special care because they have a high center of gravity.
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Hanging meat in a refrigerated truck is a very stable load with a low center of gravity.
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20.
You must have at least ________ tread depth on tires other than front tires.
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4/16 inch
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4/32 inch
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2/32 inch
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