Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of heat actually used in producing steam to the heat liberated in the furnace None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace None of these Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Flue gases pass through tubes and water around it Forced circulation takes place Tubes are laid vertically Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Forced circulation takes place Tubes are laid vertically Water passes through the tubes and flue gases around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Mass of the steam discharged increases All of these Exit velocity of steam reduces Entropy and specific volume of the steam increases Mass of the steam discharged increases All of these Exit velocity of steam reduces Entropy and specific volume of the steam increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler is best suited to meet the fluctuating demand of steam? Lancashire boiler Babcock and Wilcox boiler Locomotive boiler Cornish boiler Lancashire boiler Babcock and Wilcox boiler Locomotive boiler Cornish boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks 90° to each other 180° to each other None of these 0° to each other 90° to each other 180° to each other None of these 0° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume ANSWER DOWNLOAD EXAMIANS APP
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