Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Dose chemicals in feed water Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust Dose chemicals in feed water Pump feed water Create vacuum in furnace Create vacuum at turbine exhaust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Less None of these Same More Less None of these Same More 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 More None of these Same Less More None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum steam pressure in a Locomotive boiler is limited to 0.18 MN/m² 1.8 MN/m² 18 MN/m² 180 MN/m² 0.18 MN/m² 1.8 MN/m² 18 MN/m² 180 MN/m² ANSWER DOWNLOAD EXAMIANS APP
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