Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially None of these Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam Wet 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. 20 to 30% 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1 to 1.75 m 1 to 1.25 m 1.75 to 2.75 m 2 to 4 m 1 to 1.75 m 1 to 1.25 m 1.75 to 2.75 m 2 to 4 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Cochran boiler Babcock and Wilcox boiler Lancashire boiler Pulverized fuel fired boiler Cochran boiler Babcock and Wilcox boiler Lancashire boiler Pulverized fuel fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Are equally spaced throughout Diverge from left to right Diverge from right to left First rise up and then fall Are equally spaced throughout Diverge from left to right Diverge from right to left First rise up and then fall ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum in furnace Dose chemicals in feed water Create vacuum at turbine exhaust Pump feed water Create vacuum in furnace Dose chemicals in feed water Create vacuum at turbine exhaust Pump feed water ANSWER DOWNLOAD EXAMIANS APP