Steam Boilers, Engines, Nozzles and Turbines The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Parson's reaction turbine is a __________ reaction turbine. 60 percent 70 percent 50 percent 40 percent 60 percent 70 percent 50 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? 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 It erodes furnace walls It has heating value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are Supplied mounted on a single base Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist Supplied mounted on a single base Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.4 1.67 0.56 0.67 0.4 1.67 0.56 0.67 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines It is required to produce large amount of steam at low pressure. Which boiler should be used? Babcock and Wilcox boiler Cochran boiler Lancashire boiler Pulverized fuel fired boiler Babcock and Wilcox boiler Cochran boiler Lancashire boiler Pulverized fuel fired boiler ANSWER DOWNLOAD EXAMIANS APP
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