5. Q. How is the increased boiler capacity obtained?

A. A boiler will evaporate a certain amount of water into steam and if

part of the steam is lost by condensation, only that remaining is

available for running the engine. Superheating eliminates the losses,

thereby increasing the available useful steam. Further, superheating

increases the volume of a given weight of steam, thereby reducing the

consumption of steam required to develop a certain power and

consequently increases the capacity.