Steam Boilers, Engines, Nozzles and Turbines
Degree of reaction is defined as the ratio of

Heat drop in fixed blades to the heat drop in moving blades
Heat drop in moving blades to the heat drop in fixed blades plus heat drop in moving blades
Heat drop in fixed blades plus heat drop in moving blades to the heat drop in moving blades
Heat drop in moving blades to the heat drop in fixed blades

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

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

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