California CDL Air Brakes Test

You see oil or water draining from a tank with a loud whoosh and lots of fluid. This is most likely a sign of:

Normal operation Either the air dryer not removing moisture properly, or the tank has not been drained for a long time — schedule maintenance Low fuel High engine temperature

Correct Answer:

Either the air dryer not removing moisture properly, or the tank has not been drained for a long time — schedule maintenance

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