What is the purpose of an alcohol evaporator in an air brake system?
a.To clean the air lines
b.To help reduce the risk of ice forming in air brake valves during cold weather
c.To lubricate the compressor
d.To improve fuel efficiency
Explanation
An alcohol evaporator introduces alcohol into the air system to help reduce the risk of ice forming in air brake valves and other parts during cold weather. Ice blockages can prevent brakes from working properly.