Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) None of these Remains constant Decreases Increases None of these Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Large marine propulsion Electric power generation Direct drive of fans, compressors, pumps All of these Large marine propulsion Electric power generation Direct drive of fans, compressors, pumps All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure Increases steam pressure Decreases fuel consumption Increases steam flow Decreases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called Fusible plug Superheater Stop valve Blow off cock Fusible plug Superheater Stop valve Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) cos²α sin²α cot²α tan²α cos²α sin²α cot²α tan²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum steam pressure in a Locomotive boiler is limited to 1.8 MN/m² 18 MN/m² 180 MN/m² 0.18 MN/m² 1.8 MN/m² 18 MN/m² 180 MN/m² 0.18 MN/m² ANSWER DOWNLOAD EXAMIANS APP