Steam Boilers, Engines, Nozzles and Turbines
In a reaction turbine when the degree of reaction is zero, then there is

Maximum heat drop in moving blades
No heat drop in moving blades
No heat drop in fixed blades
Maximum 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 ratio of expansion is reduced, thus reducing the length of stroke
The temperature range per cylinder is increased, with corresponding increase in condensation
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
Stoichiometric quantity of air is the

Air present in atmosphere at NTP conditions
Air required for complete combustion of fuel with no excess air
Air required for optimum combustion so as to have reasonable excess air
Air required to convert CO into CO₂

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