OK CDL AIR BRAKES PRACTICE TEST
6.
If the low air pressure warning light comes on, you should:
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stop immediately.
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call for help.
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continue to drive normally.
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7.
Spring brakes are usually held back by:
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air pressure.
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the antilock braking system.
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modulating control valves.
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8.
Which of the following is not part of the air brake system?
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Air filter
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Air compressor
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Air storage tanks
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9.
When you use your mirrors while driving on the road, you should:
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avoid checking them regularly.
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only use the driver's side mirror.
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check them quickly.
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10.
The ________ brake system applies and releases the brakes when the driver uses the brake pedal during normal driving.
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parking
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service
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emergency
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