At What Value Of Crank Angle (Roughly), No Flow Of Water From Or Into The Air Vessel Takes Place In Case Of A Double Acting Reciprocating Pump ?

45° And 60°

40° And 140°

20° And 120°

90° And 80°

At What Value Of Crank Angle (Roughly), No Flow Of Water From Or Into The Air Vessel Takes Place In Case Of A Double Acting Reciprocating Pump ?

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