INDIANA CDL AIR BRAKES PRACTICE TEST
16.
If are being followed closely, you should:
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decrease your following distance.
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flash your brake lights.
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increase your following distance.
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change lanes quickly.
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17.
In a dual air brake system, if one air system is very low on pressure:
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you should drive and brake as you always have.
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the effect won't be noticeable for the first 50 miles.
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you should pump the brakes to restore pressure.
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either the front or rear brakes will not be operating fully.
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18.
One way to prevent hydroplaning is to:
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have less than 4/32 inch tread depth in every major groove on front tires.
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make sure you have enough tread on your tires.
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take curves at higher speeds.
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use the controlled braking method.
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19.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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loss of hydraulic pressure.
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relying too much on the engine braking effect.
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driving in cold weather.
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excessive downshifting.
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20.
The service brake applies and releases:
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the brake in an emergency situation.
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the parking brake when you use the parking brake control.
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the brake when you use the brake pedal during normal driving.
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None of the above.
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