Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

The fuel and water available
All of these
The geographical position of the power house
The power required and working pressure

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Steam Boilers, Engines, Nozzles and Turbines
The diagram efficiency is the ratio of

Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
None of these
Workdone on the blades to the energy supplied to the blades

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