AIR BRAKES CDL PRACTICE TEST - UTAH
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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 Utah CDL knowledge test. The UT 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 Utah CDL Manual. Take this UT CDL practice test now to prepare for the actual air brakes test!
1.
Before driving a vehicle with a dual air system, the air compressor should build up a minimum of _____ pressure in both the primary and secondary systems.
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50 psi
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10 psi
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100 psi
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75 psi
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2.
Do NOT use the parking brakes:
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when you park for less than two hours.
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if the brakes are very hot.
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to test that they work.
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when you leave your vehicle.
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3.
A passive railroad crossing is one that:
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has at least two traffic control devices installed at the crossing to regulate traffic.
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requires you to stop and wait until the traffic control device installed at the crossing tells you to proceed.
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does not have any type of traffic control device.
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has a traffic control device installed at the crossing to regulate traffic.
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4.
If the low pressure warning signal doesn't work:
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this could cause sudden emergency braking in a single-circuit air system.
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in dual systems the stopping distance will be decreased.
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you could lose air pressure and you would know it.
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None of the above.
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5.
To prevent drowsiness you should:
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get adequate sleep before a trip.
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schedule trips for the middle of the night.
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avoid exercise to save more energy.
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never drive with a passenger.
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