Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. Equal None of these Less More Equal None of these Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 3.3 bar 9.9 bar 5.46 bar 8.2 bar 3.3 bar 9.9 bar 5.46 bar 8.2 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the length of stroke To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these To reduce the length of stroke To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Pressure remains constant Velocity remains constant Velocity increases Velocity decreases Pressure remains constant Velocity remains constant Velocity increases Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Boiler efficiency, turbine efficiency, generator efficiency All the three above plus gas cycle efficiency Regenerative cycle efficiency Carnot cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency All the three above plus gas cycle efficiency Regenerative cycle efficiency Carnot cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to None of these Pressure drop across the rotor Change in axial velocity Both (A) and (B) None of these Pressure drop across the rotor Change in axial velocity Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP