Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Binary vapor plant Reheating of steam Any one of these Regenerative feed heating Binary vapor plant Reheating of steam Any one of these Regenerative feed heating ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boilers is best suited to meet fluctuating demands? Locomotive Babcock and Wilcox Cochran Lancashire Locomotive Babcock and Wilcox Cochran Lancashire ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the entropy Decrease dryness fraction of steam Decrease specific volume of steam Increase the heat drop Increase the entropy Decrease dryness fraction of steam Decrease specific volume of steam Increase the heat drop 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 = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel All of these Complete account of heat supplied by 1 kg of dry fuel and the heat consumed ANSWER DOWNLOAD EXAMIANS APP
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