Technician A says that a spool valve can be positioned manually by springs or by hydraulic pressure. Technician B says that spool valves can have multiple lands with different diameters. Who is correct?
A) Technician A
B) Technician B
C) Both technicians
D) Neither technician

Question

Quizplus · Accepted Answer

Technician A is correct because spool valves can indeed be positioned manually by springs or by hydraulic pressure. Technician B is also correct because spool valves can have multiple lands with different diameters to control fluid flow in hydraulic systems.

Technician a Says That a Spool Valve Can Be Positioned