Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Both (A) and (B) Change in axial velocity None of these Pressure drop across the rotor Both (A) and (B) Change in axial velocity None of these Pressure drop across the rotor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam exhaust from high pressure turbine is reheated in Boiler drums A separate coil located in convection path Superheater tubes Economizer Boiler drums A separate coil located in convection path Superheater tubes Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare The two different boilers of the same make Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The given boiler with the model The two different boilers of the same make Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The given boiler with the model ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS