Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) 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 ηS = ηN / ηB ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to Water space also Superheater Chimney Steam space Water space also Superheater Chimney Steam space ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Regenerative feed heating Binary vapor plant Reheating of steam Any one of these Regenerative feed heating Binary vapor plant Reheating of steam Any one of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Rankine efficiency Stage efficiency Internal efficiency Reheat factor Rankine efficiency Stage efficiency Internal efficiency Reheat factor ANSWER DOWNLOAD EXAMIANS APP
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