Steam Boilers, Engines, Nozzles and Turbines A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as Steam condenser Economiser Steam boiler Steam preheater Steam condenser Economiser Steam boiler Steam preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of reheat steam after passing through reheater compared to inlet condition is Equal May be more or less depending on capacity of reheater More Less Equal May be more or less depending on capacity of reheater More Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Essential Uneconomical Economical Desirable Essential Uneconomical Economical Desirable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler efficiency Boiler evaporative capacity Boiler effectiveness Factor of evaporation Boiler efficiency Boiler evaporative capacity Boiler effectiveness Factor of evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ANSWER DOWNLOAD EXAMIANS APP
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