CDL AIR BRAKES PRACTICE TEST - HAWAII
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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 Hawaii CDL knowledge test. The HI 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 Hawaii CDL Manual. Take this HI CDL practice test now to prepare for the actual air brakes test!
1.
Foundation brakes are used:
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only with the right wheels.
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only with the front wheels.
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at each wheel.
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2.
Rough acceleration:
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can cause mechanical damage.
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is necessary to warm up the engine.
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improves gas mileage.
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3.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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stop, look, and listen
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listen, look and stop
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go, stop and listen
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4.
When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
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the rear trailer of a triple.
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strong wind.
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rearward amplification.
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5.
Supply pressure gauges tell you:
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when the air pressure in the tanks falls below 60 psi.
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how much pressure is in the air tanks.
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how much air pressure you are applying to the brakes.
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