AIR BRAKES CDL PRACTICE TEST - MARYLAND
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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Maryland CDL knowledge test. The MD CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Maryland CDL Manual. Take this MD CDL practice test now to prepare for the actual air brakes test!
1.
The parking brake:
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should be used when you need to apply the brakes firmly.
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should be used when driving in bad weather.
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should be used whenever you park.
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All of the above.
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2.
When the spring brakes are on, you should push the brake pedal down:
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Only when approaching railroad-highway crossings.
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Only when driving uphill.
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Never.
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Only when driving downhill.
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3.
If stopped on a hill, how can you start moving without rolling back?
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Press on the gas pedal, even if you have to roll back a little.
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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Release the parking brake before you have applied enough engine power to keep from rolling back.
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None of the above.
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4.
To prevent rollover, you should:
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go slowly around turns.
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keep the cargo as close to the ground as possible.
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drive slowly around on ramps and off ramps.
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All of the above.
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5.
The wig wag is:
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a type of rollover.
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when your tires might grab unexpectedly and you lose control of your vehicle.
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a low air pressure warning system.
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a noise reduction mechanism.
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