NY CDL AIR BRAKES PRACTICE TEST
21.
The ABS malfunction lamp on the instrument panel is:
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Blue
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Yellow
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Red
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Orange
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22.
To operate a vehicle equipped with air brakes, you must pass the air brakes knowledge test. Why?
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All trucks have air brakes.
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If you don't pass the air brakes test, you will be restricted to driving vehicles without air brakes.
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If you don't pass the air brakes test, you can't get a CDL.
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If you don't, you will only receive a CDL permit.
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23.
The stop light switch:
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turns on the brake lights when you put on the air brakes.
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tells you when you need to use your parking brake instead of the service brake.
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should be used to fend off tailgaters.
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warns you when the air supply pressure drops below 55 psi.
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24.
By pushing the trailer air supply control knob in, you:
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supply the trailer with air.
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keeps air in the tractor or truck brake system.
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shut the air off and put on the trailer emergency brakes.
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supply the tires with air.
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25.
Your mirrors should be adjusted so that:
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the rear of the vehicle is visible in the mirror.
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no part 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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more than half of the mirror shows the vehicle.
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