CA CDL AIR BRAKES PRACTICE TEST
6.
Axle weight is:
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the weight transmitted to the ground by one axle or one set of axles.
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the weight of all the axles added together.
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the maximum safe weight your tires can carry at a specified pressure.
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7.
The ______ puts alcohol into the air system.
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alcohol evaporator
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alcohol tank drains
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air tank drains
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8.
The use of brakes on a steep downgrade is:
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the main braking factor.
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much more effective than the engine braking effect.
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a supplement to the braking effect of the engine.
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9.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "normal" position.
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in the "neutral" position.
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in the "slippery" position.
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10.
A broken exhaust system:
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poses no threat to the driver.
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can let poisonous carbon monoxide to leak into the cab.
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can improve fuel efficiency.
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