🛞Alabama Air Brakes — Question 3 of 10
Why drain water from compressed air tanks?
Answer: B
Water can freeze in cold weather and cause brake failure.
Compressing air often causes condensation to build up in the system. Failure to remove the air can cause the water to freeze in the system and result in brake failure and premature equipment wear.
Source: Alabama CDL Manual
All choices
- AWater cools the compressor too much.
- BWater can freeze in cold weather and cause brake failure.
- CWater low boiling point reduces braking power.
Alabama 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+
Alabama Law Enforcement Agency (ALEA)
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More CDL Air Brakes Practice Questions
- To check the free play of manual slack adjusters of S-cam brakes, you should park on:
- A slack adjuster free play needs to be adjusted if it is more than about ____ when you pull hard on it.
- Stab braking:
- Which procedure is used in controlled braking?
- Which braking technique may be used to stop quickly when you do not have ABS?