Steam Boilers, Engines, Nozzles and Turbines The ratio of heat utilized to produce steam and the heat liberated in furnace is known as Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation Boiler effectiveness Boiler evaporative capacity Boiler efficiency Factor of evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The pressure and temperature of steam remains constant The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on volume basis is 0.3 0.21 0.23 0.4 0.3 0.21 0.23 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler usually have _________ diameter. 72.5 mm 62.5 mm 92.5 mm 6.25 mm 72.5 mm 62.5 mm 92.5 mm 6.25 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel Increase thermal efficiency of boiler Increase flue gas temperature Extract heat from the exhaust flue gases Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
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