AIR BRAKES PRACTICE TEST - MISSOURI
21.
The service brake applies and releases:
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the parking brake when you use the parking brake control.
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the brake in an emergency situation.
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the brake when you use the brake pedal during normal driving.
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22.
The tire load rating is stated:
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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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23.
Before starting down a hill, you should:
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release the accelerator and shift to Neutral at the same time.
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look for an escape route.
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slow down and shift to a lower gear.
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24.
The safety valve installed in the first tank the air compressor pumps air is set to open:
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if there is too much pressure.
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at 30 psi.
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if there is too little pressure.
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25.
Foundation brakes are used:
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at each wheel.
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only with the right wheels.
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only with the front wheels.
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