Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Large marine propulsion Direct drive of fans, compressors, pumps Electric power generation All of these Large marine propulsion Direct drive of fans, compressors, pumps Electric power generation All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ηS = ηN / ηB None of the listed here ηS = ηB × ηN ηS = ηB / ηN ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to Chimney Steam space Superheater Water space also Chimney Steam space Superheater Water space also 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 m/s 320/3 m/s 640/3 m/s 160/3 m/s 640 m/s 320/3 m/s 640/3 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Blast furnace gas Coal gas Producer gas Water gas Blast furnace gas Coal gas Producer gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. Two-fifth One-third One-half One-fourth Two-fifth One-third One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS