AR 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 Arkansas CDL knowledge test. The AR 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 Arkansas CDL Manual. Take this AR CDL practice test now to prepare for the actual air brakes test!
1.
If your brakes fail while you are driving on a downgrade, you should:
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use an escape ramp if it's available.
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immediately start looking outside your vehicle for something to stop it.
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take the least hazardous escape route you can.
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All of the above.
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2.
In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
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should be drained completely.
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should not be removed.
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should be added regularly.
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None of the above.
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3.
Before driving a truck or bus with a dual air brake system, the minimum pressure in both the primary and secondary
systems should be at least:
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130 psi.
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75 psi.
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50 psi.
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100 psi.
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4.
Pressing and releasing the brake pedal unnecessarily can:
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apply more air pressure.
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let air out faster than the compressor can replace it.
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causes all the air to be lost.
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causes friction, which slows the vehicle.
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5.
When using a fire extinguisher, you should stay:
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as far away from the fire as possible.
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at whatever distance you think is safe.
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as close to the fire as possible, without getting burnt.
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at least 10 feet away from the fire.
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