1. The tractor protection valve ______.
A
white
B
either 1 or 2
C
yellow
D
neither 1 nor 2
Alabama CDL Practice Test: Double and Triples - Test 2 2021
Based on 2021 AL CDL Handbook
| Number of questions: 30 | |
| Passing score: 80% | |
| Acceptable number of errors: 6 |
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 Alabama 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 Alabama DMV locations.