Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and more economical More efficient and less economical More efficient and more economical Less efficient and less economical Less efficient and more economical More efficient and less economical More efficient and more economical Less efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 303°K 0°K 273.16°K 373°K 303°K 0°K 273.16°K 373°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blading efficiency is also known as Nozzle efficiency None of these Diagram efficiency Stage efficiency Nozzle efficiency None of these Diagram efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian’s line follows the law (where b = A constant representing the shape of the Willian’s line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour) I.P. = b × m + a I.P. = a × m + b m = a + b × I.P. m = (b/I.P.) - a I.P. = b × m + a I.P. = a × m + b m = a + b × I.P. m = (b/I.P.) - a 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 320/3 m/s 640/3 m/s 640 m/s 160/3 m/s 320/3 m/s 640/3 m/s 640 m/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS