Some air brake systems have an alcohol evaporator. What may happen if you don't keep the unit filled?

Ice may form in the air brake valves and cause brake failure.. Section 5.1: Alcohol prevents freezing. Empty evaporator = risk of frozen

Some air brake systems have an alcohol evaporator. What may happen if you don't keep the unit filled?

ANSWER BREAKDOWN
  • A. Correct. Alcohol prevents freezing. Empty evaporator = risk of frozen valves.
  • B. Incorrect. "The engine will overheat." is not correct. Alcohol prevents freezing. Empty evaporator = risk of frozen valves.
  • C. Incorrect. "The brakes will squeak." is not correct. Alcohol prevents freezing. Empty evaporator = risk of frozen valves.
  • D. Incorrect. "You will lose fuel." is not correct. Alcohol prevents freezing. Empty evaporator = risk of frozen valves.