CDL AIR BRAKES PRACTICE TEST - LOUISIANA
16.
How many reflective triangles/emergency reflectors should you carry?
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3
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2
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4
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1
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17.
The braking power of the spring brakes:
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is not affected by the condition of the service brakes.
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is not affected by the air pressure level.
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depends on the brakes being in adjustment.
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All of the above.
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18.
Stepping on and off the brake pedal several times:
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may result in dangerously thin linings.
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may cause air leaks.
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reduces the air pressure in the tanks.
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All of the above.
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19.
To prevent drowsiness you should:
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get adequate sleep before a trip.
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schedule trips for the middle of the night.
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avoid exercise to save more energy.
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never drive with a passenger.
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20.
The application pressure gauge shows:
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how much pressure the relay valves should send to the trailer brakes.
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how much pressure is in the air tanks.
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how much air pressure you are applying to the brakes.
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All of the above.
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