AIR BRAKES CDL PRACTICE TEST - WASHINGTON
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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 Washington CDL knowledge test. The WA 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 Washington CDL Manual. Take this WA CDL practice test now to prepare for the actual air brakes test!
1.
If you must drive slowly, how should you alert following drivers?
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Use your emergency flashers if it is legal
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Flash your brake lights
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Turn on your taillights
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2.
The most common type of brake is the:
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R-cam drum brake
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S-cam drum brake
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G-cam disc brake
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3.
ABS brakes help you:
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downshift before starting down a hill.
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lock up the wheels in an emergency stop.
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avoid wheel lock up.
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4.
If you must drive through a deep puddle you should:
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slow down and place transmission in a low gear.
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speed up to get through the puddle as quickly as possible.
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apply the brakes until your speed reaches 40 mph.
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5.
To prevent rollover, you should:
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place the cargo near the rear of the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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keep the cargo as close to the ground as possible.
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