Answer / mariappan.v

Single acting actuator is used for only one operation such
as loading the componenet only, un loading is done by
another way,but double acting actuator is used for both
loading and unloading purpose


SINGLE..........ONLY ONE OPERATION
DOUBLE...........MORE THAN ONE OPERATION (TWO)

Respected Sir, I am preparing for J.E of RRB Chennai.Please send me all RRB Chennai solved paper in the year of 2004 to till date. My ID is musini_p@rediffmail.com Thanking you sir, Anand

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