Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 180° 270° 60° 90° 180° 270° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is Same Less More Less or more depending on size of boiler Same Less More Less or more depending on size of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Potential energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam Potential energy into heat energy of steam Heat energy of steam into potential energy Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that 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 Approach temperature should be as low as possible ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 1 kg/cm² 100 kg/cm² Below atmospheric pressure 225.6 kg/cm² 1 kg/cm² 100 kg/cm² Below atmospheric pressure 225.6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. None of these Increases Decreases Does not effect None of these Increases Decreases Does not effect ANSWER DOWNLOAD EXAMIANS APP