Technician a Says That Spool Valves May Be Controlled Hydraulically

question 48

Multiple Choice

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

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Definitions:

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