Rhode Island CDL Practice Test: Air Brakes - Test 2021

From the 2021 RI CDL Handbook
Number of questions: 30
Passing score: 80%
Acceptable number of errors: 6

Directions: 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 Rhode Island Commercial Driver Handbook. The School Bus 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 Rhode Island DMV locations.

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