Mississippi CDL Passenger Test 1

How is water and compressor oil removed from the bottom of an air storage tank?

The water and oil are siphoned out of the tank. A drain valve is opened to remove the water and oil from the tank. The water and oil are removed automatically as the brakes are used. A sponge is used to soak up the water and oil.

Correct Answer:

A drain valve is opened to remove the water and oil from the tank.

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