RI CDL AIR BRAKES PRACTICE TEST
16.
To check slack adjusters on S-cam brakes, you should:
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use gloves and pull hard on each slack adjuster you can reach.
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press the brake pedal and listen for any strange noises.
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All of the above.
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17.
When backing, you should:
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back quickly.
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use the mirrors on both sides.
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only use mirror on the driver's side.
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18.
When the low air pressure warning light and buzzer first come on, you should:
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speed up to restore pressure.
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downshift and slow down.
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bring the vehicle to a safe stop right away.
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19.
To check the slack adjusters on S-cam brakes, you should:
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release the parking brake valve and begin reducing the air pressure by stepping on and off the brake pedal.
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park on level ground and fan off the air pressure by rapidly applying and releasing the foot brake.
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park on level ground, chock the wheels and release the parking brakes, then use gloves and pull hard on each slack adjuster that you can reach.
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20.
When a tire fails, you must:
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stay off the brake.
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hold the steering wheel firmly.
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All of the above.
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