Technician A says a check valve will stop fluid flow in one direction but will allow it to flow in the opposite direction. Technician B says a simple check valve can be used to block a hydraulic passageway in one direction. Who is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. A check valve is a one-way valve that allows fluid to flow in one direction but prevents it from flowing in the opposite direction. It can also be used to block a hydraulic passageway in one direction by preventing fluid from flowing back through the valve.

Technician a Says a Check Valve Will Stop Fluid Flow