Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Power of a boiler Factor of evaporation Boiler efficiency Equivalent evaporation Power of a boiler Factor of evaporation Boiler efficiency Equivalent evaporation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder. None of the listed here More than Less than Equal to None of the listed here More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Exit velocity of steam reduces All of these Entropy and specific volume of the steam increases Mass of the steam discharged increases Exit velocity of steam reduces All of these Entropy and specific volume of the steam increases Mass of the steam discharged increases 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 Raising of steam temperature Fouling of heat transfer surfaces High calorific value coal being burnt Higher effectiveness of boiler Raising of steam temperature Fouling of heat transfer surfaces High calorific value coal being burnt Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Injector Air-preheater Superheater Economizer Injector Air-preheater Superheater ANSWER DOWNLOAD EXAMIANS APP
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