Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke None of these Decreases Does not change Increases None of these Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Electric power generation All of these Direct drive of fans, compressors, pumps Large marine propulsion Electric power generation All of these Direct drive of fans, compressors, pumps Large marine propulsion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are those in which Flue gases pass through tubes and water around it Tubes are laid vertically Water passes through the tubes and flue gases around it Forced circulation takes place Flue gases pass through tubes and water around it Tubes are laid vertically Water passes through the tubes and flue gases around it Forced circulation takes place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Saturated steam Wet steam Cushion steam Superheated steam Saturated steam Wet steam Cushion steam Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 30 to 40% 20 to 30% 10 to 15% 15 to 20% 30 to 40% 20 to 30% 10 to 15% 15 to 20% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the inlet pressure of steam is equal to the exit pressure, then There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle There is a pressure drop in the nozzle There is no pressure drop and fluid does not flow through the nozzle Pressure drops and fluid flows through the nozzle Fluid flows through the nozzle ANSWER DOWNLOAD EXAMIANS APP