Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Centrifugal pump Axial flow pump Reciprocating pump Gear pump Centrifugal pump Axial flow pump Reciprocating pump Gear pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 373°K 0°K 273.16°K 303°K 373°K 0°K 273.16°K 303°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce exit losses Reduce speed of rotor All of these Improve efficiency Reduce exit losses Reduce speed of rotor All of these Improve efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Regenerative cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency All the three above plus gas cycle efficiency Carnot cycle efficiency Regenerative cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency All the three above plus gas cycle efficiency Carnot cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve in a locomotive starts leaking. The leaking medium will be Water Dry steam Wet steam Super heated steam Water Dry steam Wet steam Super heated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 160/3 m/s 640/3 m/s 320/3 m/s 640 m/s 160/3 m/s 640/3 m/s 320/3 m/s 640 m/s ANSWER DOWNLOAD EXAMIANS APP