Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle. Decreases Remain same None of these Increases Decreases Remain same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, whole frictional loss is assumed to occur between Inlet and throat All of these Inlet and outlet Throat and exit Inlet and throat All of these Inlet and outlet Throat and exit 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 increases Pressure remains constant Velocity remains constant Velocity decreases Velocity increases Pressure remains constant Velocity remains constant Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.528 0.577 0.546 0.582 0.528 0.577 0.546 0.582 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed None of these Before the economiser Between the economiser and chimney Before the superheater None of these Before the economiser Between the economiser and chimney Before the superheater ANSWER DOWNLOAD EXAMIANS APP
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