Idaho CDL Practice Test: Double and Triples - Test 2022

Based on 2022 ID 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 Idaho 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 Idaho DMV locations.

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