KANSAS CDL AIR BRAKES PRACTICE TEST
16.
One way to prevent hydroplaning is to:
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take curves at higher speeds.
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use the controlled braking method.
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make sure you have enough tread on your tires.
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have less than 4/32 inch tread depth in every major groove on front tires.
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17.
After starting the engine, oil pressure should rise to a normal level:
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within 2 minutes.
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within seconds.
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within 6 minutes.
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within 3 miles.
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18.
The space under a heavily loaded vehicle can be very small. This can cause problems:
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when crossing railroad tracks.
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on unpaved yards.
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on dirt roads.
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All of the above.
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19.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
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anti-lock brakes.
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GPS
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hydraulic brakes.
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a rear backup camera.
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20.
When you release the brake pedal, the _____ rotates back and a spring pulls the brake shoes away from the drum.
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air compressor belt
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S-cam
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pressure gauge
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hydraulic brake system
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