Steam Boilers, Engines, Nozzles and Turbines
The temperature of flue gases at air heater outlet should be

Less than wet bulb temperature of flue gases
Above dew point temperature of flue gases
Below dew point temperature of flue gases
100°C

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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

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

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler
Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler
Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes
Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube

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