Technician A says the Schrader-type service valve is automatically opened when the service hose is installed.Technician B says the Schrader-type service valve is automatically closed when the service hose is removed.Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct as when the service hose is installed, it depresses the Schrader valve's core, which leads to the refrigerant flow. Technician B is also correct as when the service hose is removed, the Schrader valve's core pops back to its position and closes the valve to prevent refrigerant leaking out. Therefore, both technicians are correct.

Technician a Says the Schrader-Type Service Valve Is Automatically