Vermont CDL Practice Test: Double and Triples - Test 3 2022

Based on 2022 VT 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 Vermont 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 Vermont DMV locations.

2. The spring brakes come on when the air pressure drops into what range _________.
A
100-125 psi.
B
50-55 psi.
C
60-80 psi.
D
20-45 psi.
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