Question In cold weather, an alcohol evaporator should be checked and filled: Answers Once a week. Every day. Every hour. Once a month. Explanation An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day. Take a FREE Practice Test Now This questions appears in the following tests: Indiana Knowledge Test Class A , Texas Knowledge Test Class A , Minnesota Knowledge Test Class B , Wisconsin Knowledge Test Class B , Colorado Air Brakes , Georgia Air Brakes , New York Air Brakes , Oregon Air Brakes , Pennsylvania Air Brakes ,