Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always Equal to unity None of these Greater than unity Less than unity Equal to unity None of these Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Kinetic energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Potential energy into heat energy of steam Kinetic energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Potential energy into heat energy of steam 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 High calorific value coal being burnt Fouling of heat transfer surfaces Raising of steam temperature Higher effectiveness of boiler High calorific value coal being burnt Fouling of heat transfer surfaces Raising of steam temperature Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions The given boiler with the model Two different makes of boilers operating under the same operating conditions The two different boilers of the same make Any type of boilers operating under any conditions The given boiler with the model ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle ANSWER DOWNLOAD EXAMIANS APP