MINNESOTA CDL AIR BRAKES PRACTICE TEST
21.
The tire load rating is stated:
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on the dashboard.
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on each axle.
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inside the suspension system.
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on the side of each tire.
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22.
One way to prevent hydroplaning is to:
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make sure you have enough tread on your tires.
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use the controlled braking method.
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take curves at higher speeds.
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have less than 4/32 inch tread depth in every major groove on front tires.
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23.
When you apply the brakes, the brake shoes and linings are pushed against:
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the S-cam.
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the safety relief valve.
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the supply pressure gauge.
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None of the above.
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24.
A low air pressure warning signal is required on:
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all vehicles with air brakes.
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all vehicles with air brakes built after 2009.
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all vehicles with air brakes built after 2005.
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Warning signals are optional.
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25.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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go, look and put the transmission in neutral
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go, stop and listen
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stop, look, and listen
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listen, look and stop
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