Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Pressure remains constant Velocity increases Velocity remains constant Velocity decreases Pressure remains constant Velocity increases Velocity remains constant Velocity decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A closed vessel made of steel and used for the generation of steam is called a Steam injector Steam condenser Steam boiler Steam turbine Steam injector Steam condenser Steam boiler Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam at throat of the nozzle is __________ the velocity of sound. More than None of these Less than Equal to More than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals the pressure of water in the container Equals that of the surroundings Equals 760 mm of mercury Equals to atmospheric pressure Equals the pressure of water in the container Equals that of the surroundings Equals 760 mm of mercury Equals to atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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