If your vehicle has an alcohol evaporator, it is there to:

Reduce the risk of ice in air brake valves in cold weather.. Section 5.1: Alcohol evaporators put alcohol vapor into the air system to

If your vehicle has an alcohol evaporator, it is there to:

ANSWER BREAKDOWN
  • A. Incorrect. "Rid the wet tank of alcohol that condenses." is not correct. Alcohol evaporators put alcohol vapor into the air system to prevent ice from forming in the brake valves during cold weather.
  • B. Incorrect. "Make the air brakes work faster." is not correct. Alcohol evaporators put alcohol vapor into the air system to prevent ice from forming in the brake valves during cold weather.
  • C. Correct. Alcohol evaporators put alcohol vapor into the air system to prevent ice from forming in the brake valves during cold weather.
  • D. Incorrect. "Clean the air lines." is not correct. Alcohol evaporators put alcohol vapor into the air system to prevent ice from forming in the brake valves during cold weather.