🛞Massachusetts Air Brakes — Question 19 of 20
If a vehicle has an alcohol evaporator, every day during cold weather you should:
Massachusetts CDL Air Brakes Test Info
Questions on Exam
25
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
Massachusetts RMV
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