Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηN / ηB ηS = ηB × ηN None of the listed here ηS = ηB / ηN ηS = ηN / ηB ηS = ηB × ηN None of the listed here ηS = ηB / ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Wet Dry Remain dry saturated Superheated Wet Dry Remain dry saturated Superheated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A binary vapor plant consists of Mercury boiler Steam turbine All of the listed here Steam condenser Mercury boiler Steam turbine All of the listed here Steam condenser ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Increase steam parameters Reduce hardness and for removal of solids Increase efficiency of thermal power plant Increase heat transfer rate Increase steam parameters Reduce hardness and for removal of solids Increase efficiency of thermal power plant Increase heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Air-preheater Economizer Injector Superheater Air-preheater Economizer Injector Superheater ANSWER DOWNLOAD EXAMIANS APP