Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the entropy Increase the heat drop Decrease specific volume of steam Decrease dryness fraction of steam Increase the entropy Increase the heat drop Decrease specific volume of steam Decrease dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle. Remain same Decreases None of these Increases Remain same Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Equal to None of these Less than Greater than Equal to None of these Less than Greater than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are None of these Internally as well as externally fired Internally fired Externally fired None of these Internally as well as externally fired Internally fired Externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The forced circulation of water does not take place in Benson boiler Lancashire boiler LaMont boiler Velox boiler Benson boiler Lancashire boiler LaMont boiler Velox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Transport and dry the coal Cool the scanners Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP