Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as None of these Gross efficiency Diagram efficiency Nozzle efficiency None of these Gross efficiency Diagram efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 60 percent 40 percent 70 percent 50 percent 60 percent 40 percent 70 percent 50 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. None of these Same More Less None of these Same More Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam Specific volume of steam Velocity of steam All of these Dryness fraction of steam Specific volume of steam Velocity of steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Wet steam None of these Superheated steam Dry saturated steam Wet steam None of these Superheated steam Dry saturated steam ANSWER DOWNLOAD EXAMIANS APP