Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam exhaust from high pressure turbine is reheated in A separate coil located in convection path Superheater tubes Economizer Boiler drums A separate coil located in convection path Superheater tubes Economizer Boiler drums ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An ideal regenerative cycle is Equal to Carnot cycle Less than Carnot cycle More than Carnot cycle Could be anything Equal to Carnot cycle Less than Carnot cycle More than Carnot cycle Could be anything ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 1.75 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 1 to 1.75 m 1 to 1.25 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce speed of rotor Reduce exit losses All of these Improve efficiency Reduce speed of rotor Reduce exit losses All of these Improve efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Velocity decreases Velocity increases Pressure remains constant Velocity remains constant Velocity decreases Velocity increases Pressure remains constant ANSWER DOWNLOAD EXAMIANS APP
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