AIR BRAKES PRACTICE TEST - CONNECTICUT
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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 Connecticut CDL knowledge test. The CT 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 Connecticut CDL Manual. Take this CT CDL practice test now to prepare for the actual air brakes test!
1.
When backing a trailer, you should:
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avoid correcting the drift.
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turn the steering wheel in the direction you want to go.
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never make pull-ups to reposition your vehicle.
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try to position your vehicle so you can back in a straight line.
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2.
To check the slack adjusters on S-cam brakes, you should:
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park on level ground, chock the wheels and release the parking brakes, then use gloves and pull hard on each slack adjuster that you can reach.
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release the parking brake valve and begin reducing the air pressure by stepping on and off the brake pedal.
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park on level ground and fan off the air pressure by rapidly applying and releasing the foot brake.
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All of the above.
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3.
Which of the following is NOT part of the drum brake?
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Axle
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Return spring
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Safety valve
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Brake drum
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4.
If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
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cracked.
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tight.
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worn.
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loose.
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5.
When you pull hard on a slack adjuster and it moves more than about _____ where the push rod attaches to it, the slack adjuster probably needs adjustment.
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1/4 inch
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1 inch
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1/2 inch
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2 inches
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