Technician A says that the sharp corners on a spool valve give it a self-cleaning action. Technician B says that due to the very close clearances, any damage will make the spool valve unusable. Who is correct?
A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question

Quizplus · Accepted Answer

Sharp corners on a spool valve can help in dislodging debris, providing a self-cleaning action, and the very close clearances mean that any damage can indeed make the spool valve unusable.

Technician a Says That the Sharp Corners on a Spool