AIR BRAKES CDL PRACTICE TEST - NEW HAMPSHIRE
16.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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relying too much on the engine braking effect.
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loss of hydraulic pressure.
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driving in cold weather.
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excessive downshifting.
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17.
Before leaving your vehicle unattended, you should:
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Apply the parking brake.
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Chock the wheels.
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Remove the keys.
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All of the above.
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18.
You must take the CDL skills tests in the type of vehicle for which you wish to be licensed. If your test vehicle does not have air brakes:
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you'll need to take another knowledge test about air brakes.
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you won't receive a CDL.
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you will be restricted to driving vehicles without air brakes.
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you'll have to immediately retake your test using another vehicle.
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19.
When a tire fails, you must:
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hold the steering wheel firmly.
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get out and check all the tires after you have come to a stop.
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stay off the brake.
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All of the above.
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20.
Your vehicle has air brakes. To stop, you should:
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pull the parking brake control knob out.
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push the brake pedal down.
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pump the brake pedal 3 times.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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