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Washington CDL Practice Test: Air Brakes - Test 2023

Instruction: To obtain this endorsement required to drive a vehicle with air brakes, applicants must pass a 20-question test. And to pass the test, applicants must score at least 80%. Test questions are from the WA CDL Handbook. The Air Brakes endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Washington DOL locations.

1. What part of the truck is the air compressor connected to?
A
Engine
B
Transmission
C
Radiator
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Air Brakes - Test
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