Duplex feed pumps are used in small steam boilers. These operate on the principle of A) Centrifugal pump B) Axial flow pump C) Gear pump D) Reciprocating pump Related MCQs: The basic job of feed water treatment in boilers is to overcome the problem of Vacuum for reciprocating steam engines compared to steam turbines is One kg of steam sample contains 0.8 kg dry steam; it’s dryness fraction is Water tube boilers are those in which