RI CDL AIR BRAKES PRACTICE TEST
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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 Rhode Island CDL knowledge test. The RI 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 Rhode Island CDL Manual. Take this RI CDL practice test now to prepare for the actual air brakes test!
1.
Before starting down a hill, you should slow down and shift down:
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to a gear that will cause your engine to exceed its redline.
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to a speed that you can control without using the brakes hard.
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so you can coast downhill.
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2.
With the controlled braking method, you:
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apply the brakes all the way and release brakes when the wheels the lock up.
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push down on the brake pedal as hard as you can so that the wheels the lock up.
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apply the brakes as hard as you can without locking the wheels.
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3.
When you make a quick lane change, the crack-the-whip effect can:
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make it harder to turn without skidding.
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improve your traction.
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turn the trailer over.
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4.
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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1/2 inch
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2 inches
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1 inch
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5.
The braking power of the spring brakes:
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is not affected by the air pressure level.
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depends on the brakes being in adjustment.
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is not affected by the condition of the service brakes.
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