Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam Increased thermal efficiency Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hygrometry deals with the Temperature of air Pressure of air Water vapor in air Hygroscopic substances Temperature of air Pressure of air Water vapor in air Hygroscopic substances ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Handling and maintenance should be easier Heat transfer area should be optimum Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Handling and maintenance should be easier Heat transfer area should be optimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Boil Cool down Flash i.e. get converted into steam Remain as it was Boil Cool down Flash i.e. get converted into steam Remain as it was 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 small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds For small power purposes and high speeds For large power purposes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler Resist intense heat in fire box Give maximum space Give maximum strength Withstand pressure inside boiler ANSWER DOWNLOAD EXAMIANS APP