Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop Decrease specific volume of steam Increase the entropy Decrease dryness fraction of steam Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Stirling cycle Rankine cycle Carnot cycle Joule cycle Stirling cycle Rankine cycle Carnot cycle Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction on the flow of steam through a nozzle is to Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to increase the wetness of steam Decrease the mass flow rate and to decrease the wetness of steam Increase the exit temperature without any effect on mass flow rate Increase the mass flow rate and to increase the exit temperature Decrease the mass flow rate and to increase the wetness of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It erodes furnace walls It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It helps in electrostatic precipitation of ash in flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.4 0.5 0.9 0.75 0.4 0.5 0.9 0.75 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, horizontal, internally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, horizontal, internally fired and stationary boiler ANSWER DOWNLOAD EXAMIANS APP
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