Arizona CDL Practice Test: Double and Triples - Test 2021

Based on 2021 AZ 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 Arizona 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 Arizona DMV locations.

2. If there is rust around the wheel nuts what should you do?
A
Decreases blood alcohol content.
B
Increases blood alcohol content.
C
Cancels the effect of the alcohol.
D
Has no effect on blood alcohol content.
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