CDL AIR BRAKES PRACTICE TEST - MONTANA
21.
Slack adjusters:
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are used to adjust the brakes on an air-brake system.
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regulate the distance that the air brake has to travel to apply friction to the wheel.
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are the linkage between the operating rod in the brake chamber and drum brakes or disk brakes in an air brake system.
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All of the above.
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22.
Your mirrors should be adjusted so that:
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no part of the vehicle is visible in the mirror.
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more than half of the mirror shows the vehicle.
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the rear of the vehicle is visible in the mirror.
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a part of the vehicle is visible in the mirror.
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23.
A driver distraction is anything that takes your attention away from driving, such as:
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pedestrians.
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billboards.
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adjusting the radio.
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All of the above.
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24.
If you are being tailgated, you should:
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try to let the other vehicle pass.
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drive on the shoulder.
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speed up.
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turn on your taillights.
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25.
On any upgrade, gravity:
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doesn't affect your speed.
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speed you up.
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slows you down.
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doubles your speed.
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