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Question
On a truck with air brakes, the braking system’s air compressor:
Answers
A.  Pumps air into the air storage tanks.
B.  Fills the tires.
C.  Moves air to the back of the truck.
D.  Cleans the brakes.
Explanation
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
Answer Statistics
7.43 % of our users get this question wrong.
This question's difficulty is Medium

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