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

Increased thermal efficiency
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

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Steam Boilers, Engines, Nozzles and Turbines
The function of a piston in a steam engine is

To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment
None of these
To transfer motion from the piston to the cross-head
To guide motion of the piston rod and to prevent it from bending

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement is correct for a compound steam engine?

The temperature range per cylinder is increased, with corresponding increase in condensation
The ratio of expansion is reduced, thus reducing the length of stroke
The cost of the engine, for the same power and economy, is more than that of a simple steam engine
The forces in the working parts are increased as the forces are distributed over more parts

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