Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam flow Increases steam pressure Decreases steam pressure Decreases fuel consumption Increases steam flow Increases steam pressure Decreases steam pressure Decreases fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases 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 The expansion (or compression) of the steam is hyperbolic Steam is admitted at boiler pressure and exhausted at condenser pressure There is no pressure drop due to condensation All of these The expansion (or compression) of the steam is hyperbolic Steam is admitted at boiler pressure and exhausted at condenser pressure There is no pressure drop due to condensation All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required. More Less Equal None of the listed here More Less Equal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Keep the burner tips cool Clean the nozzles Aid in proper combustion Because sputtering, possibly extinguishing flame Keep the burner tips cool Clean the nozzles Aid in proper combustion Because sputtering, possibly extinguishing flame ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially None of these Dry saturated steam Superheated steam Wet steam None of these Dry saturated steam Superheated steam Wet steam ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS