CDL AIR BRAKES PRACTICE TEST - KENTUCKY
16.
When the low air pressure warning light and buzzer first come on, you should:
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bring the vehicle to a safe stop right away.
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speed up to restore pressure.
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downshift and slow down.
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immediately put alcohol into the air system.
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17.
If are being followed closely, you should:
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flash your brake lights.
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change lanes quickly.
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decrease your following distance.
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increase your following distance.
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18.
If stopped on a hill, how can you start moving without rolling back?
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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Release the parking brake before you have applied enough engine power to keep from rolling back.
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Press on the gas pedal, even if you have to roll back a little.
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None of the above.
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19.
When the air pressure is built up to governor cutoff, the air leakage rate for combination vehicles with the engine off and the foot brake fully applied should be less than_____ in one minute.
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5 psi
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2 psi
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3 psi
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4 psi
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20.
While driving, you should use your mirrors to:
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check where the rear of your vehicle is while you make turns.
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know where other vehicles are around you.
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check the condition of the tires and cargo.
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All of the above.
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