NORTH DAKOTA CDL AIR BRAKES PRACTICE TEST
21.
In newer vehicles with air brakes, you put on the parking brake:
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placing the transmission in Park.
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moving the orange push-pull lever to the right.
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using a P-shaped, yellow control knob.
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using a diamond-shaped, yellow, push-pull control knob.
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22.
Hydroplaning is more likely if:
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the road is wet.
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tire pressure is low.
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tire tread is worn.
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All of the above.
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23.
Which of the following can cause brakes to fade or fail?
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Brakes out of adjustment
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Not relying on the engine braking effect
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Excessive use of the service brakes
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All of the above.
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24.
Under a pressurized system, the radiator cap:
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should never be hot.
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should be removed when the coolant is 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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25.
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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