KANSAS CDL AIR BRAKES PRACTICE TEST
11.
An Anti-lock Braking System (ABS):
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keeps your wheels from locking up when you brake hard.
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lets you drive faster.
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increases your normal braking capability.
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always shortens your stopping distance.
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12.
A broken exhaust system:
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does not cause problems.
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can improve fuel efficiency.
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can let poisonous carbon monoxide to leak into the cab.
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poses no threat to the driver.
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13.
In vehicles with air brakes, the two markings on a front brake limiting valve are:
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high and low.
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wet and dry.
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left and right.
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normal and slippery.
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14.
You are going down a steep grade. Once the vehicle is in the proper low gear, you should brake just hard enough to feel a slowdown, and then release the brakes when your speed has been reduced to ____ below your safe speed.
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10 mph
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15 mph
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20 mph
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5 mph
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15.
ABS:
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helps you stop faster.
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improves your visibility at night.
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may cause your wheels to lock when you break hard.
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helps you avoid skids caused by over braking.
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