WYOMING CDL AIR BRAKES PRACTICE TEST
21.
Some air brake systems have an alcohol evaporator. Checking the alcohol container and filling it up as necessary:
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reduces the risk of having an accident due to drowsy driving.
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helps keep the engine cool, as well as lubricating it.
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reduces the risk of ice in air brake valves during cold weather.
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helps you avoid wheel lock up.
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22.
The air tanks should be drained completely to remove:
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water and oil.
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carbon monoxide.
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the radiator cap.
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air.
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23.
If the ABS is not working:
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the vehicle will have no brakes.
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the vehicle will have weak brakes.
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you still have normal brake functions.
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None of the above.
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24.
If air pressure does not build up fast enough:
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you should put the parking brake on and gently pull against it in a low gear.
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the pressure may drop too low during driving.
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you should turn the electrical power on and step on and off the brake pedal.
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you may be forced to turn off the engine and release the parking brake.
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25.
The parking brake:
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should be used whenever you park.
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should be used when driving in bad weather.
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should be used when you need to apply the brakes firmly.
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All of the above.
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