NC CDL DOUBLES TRIPLES TEST - PRACTICE TEST
11.
The center of gravity of a trailer should be:
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as high as possible.
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at the rear of the trailer.
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at the front of the trailer.
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as low as possible.
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12.
Which of the following is a reason to cover cargo?
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To protect the cargo from weather
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To contain a spill
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To protect people from spilled cargo
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All of the above.
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13.
Under a pressurized system, the radiator cap:
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should never be hot.
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should always be cool.
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should never be removed until the system has cooled.
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should be removed when the coolant is hot.
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14.
Combination vehicles have __ air lines.
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1
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4
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3
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2
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15.
The ABS malfunction lamp on the instrument panel is:
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Red
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Yellow
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Orange
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Blue
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16.
A red triangle with an orange center means:
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Liquid tanker
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Slow-moving vehicle
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Law enforcement vehicle
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The vehicle is hauling hazardous materials
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17.
With an engine fire, you should NOT:
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open the hood.
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turn the engine off as soon as possible.
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shoot foam from the vehicle’s underside.
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None of the above.
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18.
It's very important to distribute the cargo so it is:
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piled up.
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as low as possible.
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in the centre of the load.
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as high up as possible.
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19.
To avoid becoming an aggressive driver you should:
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make gestures to other drivers.
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give other drivers the benefit of the doubt.
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speed up if you think you’re going to be late.
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give other drivers your full attention.
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20.
The heavier the vehicle:
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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the higher the center of gravity will be.
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None of the above.
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