AIR BRAKES PRACTICE TEST - COLORADO
11.
When you apply the brakes, the brake shoes and linings are pushed against:
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the supply pressure gauge.
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the safety relief valve.
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the S-cam.
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None of the above.
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12.
Combination vehicles have __ air lines.
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1
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4
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2
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3
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13.
In vehicles with air brakes, the two markings on a front brake limiting valve are:
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normal and slippery.
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wet and dry.
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high and low.
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left and right.
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14.
During a trip you should check:
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pressure gauges.
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mirrors.
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temperature gauges.
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All of the above.
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15.
To make the brakes work, air brakes use:
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carbon monoxide.
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hydraulic air.
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nitrogen.
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compressed air.
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