AIR BRAKES PRACTICE TEST - NEW MEXICO
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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 New Mexico CDL knowledge test. The NM 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 New Mexico CDL Manual. Take this NM CDL practice test now to prepare for the actual air brakes test!
1.
Which of the following is TRUE about dual air brake systems?
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Each brake system has its own air tanks, hoses and lines.
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most heavy-duty vehicles use dual air brake systems.
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All of the above.
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2.
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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3.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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keep from rolling back.
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hold compressed air.
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prevent movement of cargo.
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4.
When confronted by an aggressive driver, you should:
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call the police, if you have a cell phone and can do it safely.
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avoid eye contact.
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All of the above.
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5.
Which of the following is NOT TRUE? When you drive a tractor-trailer combination with ABS, you should:
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monitor your tractor and trailer as you slow down, and if it is safe to do so, back off the brakes to stay in control.
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brake the same way, regardless of whether you have ABS on the tractor, the trailer, or both.
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drive slower to keep your vehicle in a straight line.
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