FLORIDA CDL AIR BRAKES PRACTICE TEST
21.
To test the service brake:
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gently try to pull forward with the trailer parking brake on, then release the brake.
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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push the brake pedal firmly while going about 5 mph.
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push the brake pedal firmly while slowly moving backward.
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22.
When backing, you should:
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use the mirrors on both sides.
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back quickly.
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back and turn toward the right side whenever possible.
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only use mirror on the driver's side.
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23.
To check slack adjusters on S-cam brakes, you should:
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check that the spring brakes come on automatically.
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press the brake pedal and listen for any strange noises.
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use gloves and pull hard on each slack adjuster you can reach.
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All of the above.
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24.
If your vehicle does not have automatic air tank drains, how often should you drain air tanks to remove moisture and oil?
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At the end of each working day.
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Every 4 hours.
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Once a week.
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At least once a month.
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25.
The s-cam forces the brake shoes away from one another and presses them against the inside of the brake drum. It is called the s-cam because:
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"S" stands for "Shoes".
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it is a safe-driving brake.
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it applies a "Shock" to the brakes.
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it is shaped like the letter "S".
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