AIR BRAKES PRACTICE TEST - ARKANSAS
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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 Arkansas CDL knowledge test. The AR 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 Arkansas CDL Manual. Take this AR CDL practice test now to prepare for the actual air brakes test!
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1.
Most heavy vehicles require ________ change gears.
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double clutching
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double shifting
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single clutching
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triple shifting
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2.
In air brake vehicles, the parking brake should be used:
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to hold your speed while going downhill.
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as little as possible.
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any time you park (with a few exceptions).
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when the spring brakes are on.
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3.
What should you do to correct a drive-wheel braking skid?
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Turn in the same direction as the skid.
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Fully apply the brakes, turn the steering wheel quickly, push in the clutch, and countersteer.
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Stop braking, turn the steering wheel quickly, push in the clutch, and countersteer.
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None of the above.
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4.
To perform an applied leakage test, the vehicle’s air pressure should be built up to maximum pressure. Check the air gauge to see that the air pressure should drop no more than:
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5 psi for single vehicles and 6 psi for a combination of 2 vehicles.
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2 psi for single vehicles and 5 psi for a combination of 2 vehicles.
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1 psi for single vehicles and 3 psi for a combination of 2 vehicles.
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3 psi for single vehicles and 4 psi for a combination of 2 vehicles.
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5.
The application pressure gauge:
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stops the compressor from pumping air.
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shows how much air pressure is being applied to the brakes.
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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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6.
The ______ puts alcohol into the air system.
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alcohol evaporator
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air tank drains
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alcohol storage tank
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alcohol tank drains
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7.
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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2 inches
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1 inch
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1/2 inch
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8.
Brake drums or discs must not have cracks longer than ____ the width of the friction area.
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1/2
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1/3
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1/5
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1/4
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9.
Banked curves:
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should always be avoided.
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have a safe "design speed".
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are reserved for pedestrians.
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can be taken at any speed.
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10.
You should drain your air tanks:
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at least once a week.
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every month.
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at the end of each working day.
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at the beginning of each trip.
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AR Air Brakes CDL Test
| Number of questions: | 25 |
| Correct answers to pass: | 20 |
| Passing score: | 80% |
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