Ace Your DMV Written Test with our Guaranteed Cheat Sheet.
Cheat sheet
Question
Some air brake systems use alcohol:
Answers
A.  To reduce the risk of ice forming in air brake valves.
B.  To make the compressor run more efficiently.
C.  To lubricate parts of the braking system.
D.  To reduce the risk of rust forming on air brake valves.
Explanation
Some air brake systems contain an alcohol evaporator. This device introduces alcohol into the braking system to inhibit the formation of ice.
Answer Statistics
7.52 % of our users get this question wrong.
This question's difficulty is Medium

Pass your DMV Written Test with flying colors

Our Latest Videos
Ace Your DMV Written Test
Get your Cheat Sheet Now!