Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Increase the heat drop Increase the entropy Decrease dryness fraction of steam Decrease specific volume of steam Increase the heat drop Increase the entropy Decrease dryness fraction of steam Decrease specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Carnot cycle efficiency Regenerative cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Carnot cycle efficiency Regenerative cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. Two-fifth One-third One-fourth One-half Two-fifth One-third One-fourth One-half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Under-damping Choked Over-damping None of these Under-damping Choked Over-damping None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? Heat release can be easily controlled Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible Heat release can be easily controlled Fuel burns economically It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Lever safety valve High steam and low water safety valve Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve Spring loaded safety valve Dead weight safety valve ANSWER DOWNLOAD EXAMIANS APP