Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as Nozzle efficiency None of these Diagram efficiency Gross efficiency Nozzle efficiency None of these Diagram efficiency Gross efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 10 to 15% 15 to 25% 40 to 60% 25 to 40% 10 to 15% 15 to 25% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Pressure gauge Feed pump Injector Feed check valve Pressure gauge Feed pump Injector Feed check valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Babcock and Wilcox boiler None of these Yarrow boiler Lancashire boiler Babcock and Wilcox boiler None of these Yarrow boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Provide air around burners for obtaining optimum combustion Air delivered by induced draft fan Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The theoretical indicator diagram of a simple steam engine is based upon the assumption that All of these Steam is admitted at boiler pressure and exhausted at condenser pressure There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic All of these Steam is admitted at boiler pressure and exhausted at condenser pressure There is no pressure drop due to condensation The expansion (or compression) of the steam is hyperbolic ANSWER DOWNLOAD EXAMIANS APP
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