Technician a Says the Spool Valve Got Its Name Because

Technician A says the spool valve got its name because of its resemblance to the spool that thread or fishing line comes on. Technician B says that with a spool valve, the clearance between the land and the bore must be just great enough to prevent the valve from sticking as it moves back and forth.

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Correct Answer:

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