Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as Nozzle efficiency Gross efficiency Diagram efficiency None of these Nozzle efficiency Gross efficiency Diagram efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant volume Higher calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Inclined Vertical Horizontal Both horizontal and vertical Inclined Vertical Horizontal Both horizontal and vertical ANSWER DOWNLOAD EXAMIANS APP
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