Steam Boilers, Engines, Nozzles and Turbines
A regenerative steam cycle renders

Increased work output per unit mass of steam
Decreased work output per unit mass of steam
Decreased work output per unit mass of steam as well as increased thermal efficiency
Increased thermal efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The theoretical indicator diagram of a simple steam engine is based upon the assumption that

Steam is admitted at boiler pressure and exhausted at condenser pressure
All of these
There is no pressure drop due to condensation
The expansion (or compression) of the steam is hyperbolic

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