4th Class Power Engineering 4A9 Practice Test Study Guide

What is the purpose of the supply pressure gauge?

To show how much air is in the air tanks To show how much air is being used To warn the driver of an air leak To indicate the temperature of the brakes

Correct Answer:

To show how much air is in the air tanks

Explanation:

The supply pressure gauge tells the driver how much air pressure is currently available in the storage tanks.

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