CT CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
Texting while operating a commercial motor vehicle is:
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acceptable if you are contacting your supervisor.
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acceptable if you are contacting your dispacther.
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illegal.
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only allowed at night.
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22.
To know when to shift, you can use each of the following except:
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perception distance.
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road speed.
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engine sounds.
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engine speed.
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23.
During the pre-trip vehicle inspection test, when examining hoses with the examiner, look for:
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the temperature gauge.
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spare electrical fuses.
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frays in the water pump belt.
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puddles on the ground.
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24.
Which of the following statements about slippery roads is true?
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The road will freeze before bridges will.
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Shady parts of the road provide better traction than open areas.
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On a wet road you should reduce speed by a half or more.
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None of the above.
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25.
In an emergency, if you have to drive off the road you should:
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stay on the shoulder (if possible) until your vehicle has come to a stop.
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avoid using the brakes until your speed has dropped.
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keep one set of wheels on the pavement, if possible.
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All of the above.
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26.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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4/32 inch
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6/24 inch
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8/32 inch
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2/8 inch
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27.
When you park your vehicle and turn off the engine:
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apply the parking brake.
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keep the vehicle in the lane.
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move the gear shift to first gear, if possible.
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activate your right turn signal.
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28.
What plays a major role in mountain driving?
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Speed
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Weather
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Rain
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Gravity
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29.
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 as part of trade, traffic, or transportation originating or terminating outside the state or 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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30.
To calculate how much space you should keep in front of you:
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count off the seconds until you pass a pavement marking, or some other clear landmark.
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count off the seconds until you reach the vehicle ahead.
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add 4 seconds for each 10 feet of vehicle length at speeds below 40 mph.
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count off the seconds from when the vehicle ahead of you passes some clear landmark to when you reach that same landmark.
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