System PartsPregunta 22 de 60
Some air brake systems use an alcohol evaporator. What is its purpose?
a.To increase the air pressure in the tanks
b.To warn of low air pressure
c.To lubricate the brake chambers
d.To help reduce the risk of ice in the brake valves in cold weather
Explicación
An alcohol evaporator puts alcohol into the air system to help reduce the chance of ice forming in the air brake valves and other parts in cold weather. Ice can keep valves from working and cause brake failure. The alcohol container should be checked and filled during cold months.
Practica las 60 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- What is the trailer hand valve (trolley valve) used for?
- Why should the trailer hand valve NOT be used for parking?
- What is a one-way check valve used for in an air brake system?
- On many air brake vehicles, what is the purpose of the safety relief valve on the first air tank?
- How are the service brakes applied in an air brake vehicle?
- What is the main advantage of air brakes over hydraulic brakes on large vehicles?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con CDL Air Brakes Knowledge Test · Cómo revisamos