AIR BRAKES CDL PRACTICE TEST - ALASKA
11.
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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12.
When you release the brake pedal, the _____ rotates back and a spring pulls the brake shoes away from the drum.
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S-cam
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air compressor belt
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pressure gauge
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13.
If your trailer starts to skid, you should:
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release the brakes to get traction back.
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keep the rear of your vehicle close to the curb.
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use the trailer hand brake (if you have one) to straighten out the rig.
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14.
In some vehicles a modulating control valve may be used to:
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apply the spring brakes gradually.
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apply the front brakes.
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decrease the pressure in the brake system.
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15.
If a load is 10 feet long, the minimum number of tie-downs required is:
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2
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1
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3
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