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Class B CDL Practice Test #1

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Question #1 of 100

Class B CDL Test

What does the air compressor governor do?


The governor controls when the air compressor will pump air into the air storage tanks.

The governor controls when the air compressor will pump air into the brake pads cabin of the tractor.

The governor controls when the air compressor will pump air into the brake pads.

The governor controls when the air compressor will pump air into the brake safety valves.




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