GA CDL AIR BRAKES PRACTICE TEST
21.
In a dual air brake system, if one air system is very low on pressure:
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either the front or rear brakes will not be operating fully.
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you should pump the brakes to restore pressure.
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you should drive and brake as you always have.
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the effect won't be noticeable for the first 50 miles.
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22.
The safety valve is usually set to open at:
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75 psi.
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200 psi.
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150 psi.
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100 psi.
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23.
If the safety relief valve in the air brake system releases air:
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something is wrong.
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this will supply more power to the brakes.
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this will supply more power to the drive wheels.
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the valve is fully operational.
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24.
If you must stop on a one-way or divided highway, place your warning devices:
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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50 feet, 100 feet, and 150 feet toward the approaching traffic.
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25.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Stopping Distance - (minus) Brake Fade Distance
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Partial Stopping Distance
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Total Stopping Distance
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Total Air Pressure
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