Technician A says that spool valves may be controlled hydraulically or electrically.Technician B says that spool valves can be controlled manually or pneumatically.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

Spool valves can indeed be controlled by various methods including hydraulically, electrically, manually, and pneumatically, making both Technician A and Technician B correct.

Technician a Says That Spool Valves May Be Controlled Hydraulically