CALIFORNIA CDL AIR BRAKES PRACTICE TEST
21.
What should you do to test your vehicle's low air pressure warning signal?
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Pump the brakes until the air pressure drops below 80 psi.
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With the engine running, put the vehicle in a forward gear and attempt to drive forward.
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With the key in the "on" or "battery charge" position, rapidly apply and release the foot brake.
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22.
The ABS malfunction lamp on the instrument panel is:
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Orange
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Yellow
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Red
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23.
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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24.
The tire load rating is stated:
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on the side of each tire.
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on each axle.
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inside the suspension system.
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25.
If your vehicle catches fire, you should pull over:
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in an open area.
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near trees.
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at a service station.
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