Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Keep the burner tips cool Aid in proper combustion Clean the nozzles Because sputtering, possibly extinguishing flame Keep the burner tips cool Aid in proper combustion Clean the nozzles Because sputtering, possibly extinguishing flame ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C. 60°C 100°C 0°C 40°C 60°C 100°C 0°C 40°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow through a nozzle is regarded as Constant volume flow Isothermal flow Constant pressure flow Isentropic flow Constant volume flow Isothermal flow Constant pressure flow Isentropic flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Chimney Precipitator Induced draft fan Smoke meter Chimney Precipitator Induced draft fan Smoke meter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a throttling process Steam temperature remains constant Steam pressure remains constant Steam enthalpy remains constant Steam entropy remains constant Steam temperature remains constant Steam pressure remains constant Steam enthalpy remains constant Steam entropy remains constant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS