Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is More Less Same Could be more or less depending on other factors More Less Same Could be more or less depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.4 0.3 0.21 0.23 0.4 0.3 0.21 0.23 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at Saturation temperature at given pressure Room temperature 0°C 100°C Saturation temperature at given pressure Room temperature 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating wet steam at constant temperature is heating it at constant Pressure Volume Entropy Enthalpy Pressure Volume Entropy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation of a boiler is a measure to compare Two different makes of boilers operating under the same operating conditions The two different boilers of the same make The given boiler with the model Any type of boilers operating under any conditions Two different makes of boilers operating under the same operating conditions The two different boilers of the same make The given boiler with the model Any type of boilers operating under any conditions ANSWER DOWNLOAD EXAMIANS APP