Steam Boilers, Engines, Nozzles and Turbines The indicated thermal efficiency is defined as the Product of thermal efficiency and Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Ratio of thermal efficiency to the Rankine efficiency Product of thermal efficiency and Rankine efficiency Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of brake power to the indicated power Ratio of thermal efficiency to the Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² 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. Same None of these More Less Same None of these More Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative efficiency is defined as the Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of thermal efficiency to Rankine efficiency Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of thermal efficiency to Rankine efficiency Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of High calorific value coal being burnt Raising of steam temperature Fouling of heat transfer surfaces Higher effectiveness of boiler High calorific value coal being burnt Raising of steam temperature Fouling of heat transfer surfaces Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
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