1. Usually, a fully charged air system has _______ psi.
A
60 psi.
B
125 psi.
C
100 psi.
D
90 psi.
Michigan CDL Practice Test: Double and Triples - Test 3 2022
Based on 2022 MI CDL Handbook
| Number of questions: 29 | |
| Passing score: 80% | |
| Acceptable number of errors: 5 |
Instruction: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Michigan Commercial Driver Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Michigan DMV locations.