Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be 100°C Above dew point temperature of flue gases Below dew point temperature of flue gases Less than wet bulb temperature of flue gases 100°C Above dew point temperature of flue gases Below dew point temperature of flue gases Less than wet bulb temperature of flue gases ANSWER DOWNLOAD EXAMIANS APP
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 Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these 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 Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these 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 The radius of a dished head is taken approximately as One fourth Two Half One One fourth Two Half One ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used Where low speeds are required For small power purposes and low speeds For large power purposes For small power purposes and high speeds Where low speeds are required For small power purposes and low speeds For large power purposes For small power purposes and high speeds ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon All of these Specific volume of steam Velocity of steam Dryness fraction of steam All of these Specific volume of steam Velocity of steam Dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Superheating of steam is done at Constant entropy Constant volume Constant temperature Constant pressure Constant entropy Constant volume Constant temperature Constant pressure ANSWER DOWNLOAD EXAMIANS APP
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