AIR BRAKES PRACTICE TEST - MICHIGAN
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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 Michigan CDL knowledge test. The MI 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 Michigan CDL Manual. Take this MI CDL practice test now to prepare for the actual air brakes test!
1.
You should NOT use the parking brakes if:
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the brakes are very hot.
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the brakes are too dry.
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the brakes are cold.
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2.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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3 seconds
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2 seconds
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4 seconds
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3.
Which of the following statements is true?
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Poor cargo ventilation is a common cause of fire.
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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4.
Empty trucks have the best braking. True or False?
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True.
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False.
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It depends on the cargo.
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5.
Front brake limiting valves were used to:
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reduce your speed so further braking or shifting is not required.
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reduce the chance of the front wheels skidding on slippery surfaces.
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prevent overheating of the front tires.
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