Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.4 0.75 0.9 0.5 0.4 0.75 0.9 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Thorough mixing, total air and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Total air, time, and temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is of the following type Multi tubular Horizontal All of the listed here Internally fired Multi tubular Horizontal All of the listed here Internally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to 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 Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. Same Less None of these More Same Less None of these More ANSWER DOWNLOAD EXAMIANS APP