AIR BRAKES CDL PRACTICE TEST - WISCONSIN
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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 Wisconsin CDL knowledge test. The WI 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 Wisconsin CDL Manual. Take this WI CDL practice test now to prepare for the actual air brakes test!
1.
If your vehicle does not have automatic air tank drains, how often should you drain air tanks to remove moisture and oil?
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Once a week.
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Every 4 hours.
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At least once a month.
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At the end of each working day.
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2.
In newer vehicles with air brakes, you put on the parking brake:
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using a P-shaped, yellow control knob.
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using a diamond-shaped, yellow, push-pull control knob.
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placing the transmission in Park.
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moving the orange push-pull lever to the right.
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3.
When driving on slippery roads, you should NOT:
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go slowly.
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try to anticipate stops early.
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watch far enough ahead to keep a steady speed.
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use the engine brake.
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4.
What should you do to correct a drive-wheel braking 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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Turn in the same direction as the skid.
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None of the above.
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5.
An ABS system:
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keep your wheels from locking when you brake hard.
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helps you avoid skids caused by over braking.
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gives you more control over the vehicle during braking.
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All of the above.
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