what is meant by FA(full arc)& PA(partial arc)?



what is meant by FA(full arc)& PA(partial arc)?..

Answer / ch javed

FULL ARC: means governor v/v are fully opened and steam flow
is being controlled by main stop valve(MSV).

PARTIAL ARC: means main stop valve (MSV)is fully opened and
the governor v/v are controlled the steam flow.

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