🔗California Combination Vehicles — Question 0 of 10
Why should you lock the tractor glad hands to each other (or dummy couplers) when you are not towing a trailer?
California CDL Combination Vehicles Test Info
Questions on Exam
20
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
California DMV
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More CDL Combination Vehicles Practice Questions
- Glad hands are usually connecting which of these?
- After connecting the air lines but before backing under the trailer you should:
- The crack-the-whip effect is related to:
- Sudden turns or aggressive braking will have the greatest effect on which trailer?
- Which task is NOT performed during the tractor protection valve test?