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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 New York CDL knowledge test. The NY 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 New York CDL Manual. Take this NY CDL practice test now to prepare for the actual air brakes test!
1.
Air brakes are 3 different braking systems: service brake, parking brake, and _______ brake.
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S-cam
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air storage brake
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emergency
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foot
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2.
Which of the following is NOT correct? An ABS system:
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helps you avoid wheel lock up.
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reduces the braking pressure to a safe level.
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helps you stop faster.
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is a safety anti-skid braking system.
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3.
When the low air pressure warning light and buzzer first come on, you should:
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bring the vehicle to a safe stop right away.
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downshift and slow down.
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immediately put alcohol into the air system.
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speed up to restore pressure.
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4.
Emergency brakes and parking brakes must be held on by:
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air pressure.
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mechanical force.
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hydraulic pressure.
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All of the above.
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5.
When coupling, you should:
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make sure the sliding fifth-wheel is locked.
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be aware that wrong coupling and uncoupling can be very dangerous.
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make sure the trailer wheels are not chocked.
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make sure the trailer kingpin is bent.
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