Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Direct drive of fans, compressors, pumps All of these Large marine propulsion Electric power generation Direct drive of fans, compressors, pumps All of these Large marine propulsion Electric power generation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called Receiver type compound engine Tandem type compound engine Woolf type compound engine None of these Receiver type compound engine Tandem type compound engine Woolf type compound engine None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam enters the nozzle at a Low pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity High pressure and a low velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to None of these ps - pa pa + ps pa - ps None of these ps - pa pa + ps pa - ps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 40 to 60% 25 to 40% 15 to 25% 10 to 15% 40 to 60% 25 to 40% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP