Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Regeneration Both (A) and (B) Cooling of steam Reheating of steam Regeneration Both (A) and (B) Cooling of steam Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Less radiation loss Medium sized units More calorific value Better burning Less radiation loss Medium sized units More calorific value Better burning ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Super heated steam Water Dry steam Wet steam Super heated steam Water Dry steam Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Moisture present in the fuel Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Moisture present in the fuel Steam formed by combustion of hydrogen per kg of fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these ANSWER DOWNLOAD EXAMIANS APP
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 hd K 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt ANSWER DOWNLOAD EXAMIANS APP
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