Technician A says that when a compression fitting with a copper washer has been tightened, the hose can no longer rotate. Technician B says that the compression fitting must be installed before the other end of the hose is installed. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because when the compression fitting is tightened, the copper washer gets compressed and creates a tight seal, preventing the hose from rotating. Technician B is also correct because the compression fitting needs to be installed on the hose first and then the other end of the hose can be installed. This is because once the fitting is installed, it cannot be removed without damaging the copper washer, so it needs to be in the correct position before the other end of the hose is attached.

Technician a Says That When a Compression Fitting with a Copper