RHODE ISLAND 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.
If your brakes fail while you are driving on a downgrade, you should:
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use an escape ramp if it's available.
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take the least hazardous escape route you can.
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All of the above.
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2.
The application pressure gauge:
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protects the tank and the rest of the system from too much pressure.
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tells you how much pressure is in the air tanks.
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shows how much air pressure is being applied to the brakes.
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3.
Before driving a truck or bus with a dual air brake system, the minimum pressure in both the primary and secondary
systems should be at least:
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75 psi.
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100 psi.
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130 psi.
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4.
Foundation brakes are used:
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only with the front wheels.
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only with the right wheels.
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at each wheel.
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5.
You should always try to back toward the driver's side because:
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you can watch the rear of your vehicle out the side window.
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backing toward the left side is more dangerous.
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None of the above.
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