NORTH DAKOTA CDL AIR BRAKES PRACTICE TEST
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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 North Dakota CDL knowledge test. The ND 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 North Dakota CDL Manual. Take this ND CDL practice test now to prepare for the actual air brakes test!
1.
Which of the following is NOT a warning sign of fatigue?
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Heavy eyelids
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Driving at the speed of the traffic
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Trouble remembering the last few miles driven
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Frequent blinking
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2.
In air-operated disc brakes, the pressure of the ______ on the ______ turns a "power screw".
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slack adjuster; cam roller
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brake chamber; slack adjuster
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slack adjuster; tie rod
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brake camshaft; tie rod
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3.
What factors can cause brakes to fade?
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Dirt roads and in unpaved yards.
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Gravel and tar.
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Excessive heat and brakes out of adjustment.
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Slippery surfaces and shaded areas.
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4.
You can be sure that your vehicle is equipped with ABS:
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if your company requires the use of antilock brakes in its policies.
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if the vehicle was manufactured after 1998.
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if the vehicle was manufactured after 2000.
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if the vehicle was manufactured after 2010.
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5.
Antifreeze:
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helps the engine only when the temperature is below freezing.
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doesn't help the engine in any way.
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helps the engine only under hot conditions.
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helps the engine under hot conditions as well as cold conditions.
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