NH CDL DOUBLES TRIPLES PRACTICE TEST
11.
If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
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cracked.
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loose.
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worn.
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tight.
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12.
Dollies with ABS are required to have a malfunction lamp:
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on the rear.
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on the left side.
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on the front.
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on the right side.
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13.
Fully loaded rigs:
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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are much more likely to roll over than empty rigs.
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None of the above.
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14.
When driving with more than one trailer, the _______ trailer should be the first one behind the tractor.
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longest
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lightest
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shortest
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heaviest
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15.
When driving a double or triple:
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the lighter trailer should be directly behind the tractor.
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the more heavily loaded trailer should be directly behind the tractor.
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all trailers should have the same weight.
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the more heavily loaded trailer should be in the rear.
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16.
Which of the following statements about backing heavy vehicles is true?
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Always back as quickly as possible.
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The helper should stand where you cannot see the helper.
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You should avoid backing whenever you can.
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Back to the right side so that you can see better.
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17.
How should you brake if your vehicle loses ABS?
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Step on and off the brake pedal several times
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Stay off the Brake
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Pump the brake repeatedly
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Brake as you always have.
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18.
When backing a trailer, you should turn the steering wheel to the right to make the trailer go left (or vice versa). Once the trailer starts to turn, you should:
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keep backing up.
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turn the wheel the other way to follow the trailer.
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turn the wheel more in the direction you want to go.
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None of the above.
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19.
Which of the the following statements about fatigue is true?
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Fatigue impairs your vision and judgment.
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Fatigued driving is one of the leading causes of accidents.
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Fatigue may cause you to not see and react to hazards.
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All of the above.
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20.
Skids caused by acceleration can usually be stopped by:
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taking the foot off the accelerator.
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applying the brakes firmly.
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speeding up.
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coming to a complete stop.
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