MARYLAND CDL AIR BRAKES PRACTICE TEST
6.
In newer vehicles with air brakes, you put on the parking brake:
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using a P-shaped, yellow control knob.
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moving the orange push-pull lever to the right.
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using a diamond-shaped, yellow, push-pull control knob.
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placing the transmission in Park.
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7.
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 least once a month.
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Once a week.
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Every 4 hours.
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At the end of each working day.
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8.
You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?
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You have to apply your brakes harder and harder to get the same stopping power.
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The brake pedal feels spongy or goes to the floor.
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The steering feels heavy.
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You hear a loud "bang".
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9.
To avoid becoming a distracted driver you should:
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adjust all vehicle controls and mirrors while driving.
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eat and drink while you drive.
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not engage in complex conversations with others.
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not turn off all communication devices.
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10.
If your brakes fail while you are driving on a downgrade, you should:
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take the least hazardous escape route you can.
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immediately start looking outside your vehicle for something to stop it.
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use an escape ramp if it's available.
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All of the above.
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