Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to 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 Increase the entropy Increase the heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 165 75 225 115 165 75 225 115 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Rate of steam flow is more in former case Former is used for high installed capacity Former occupies less space for same power Chances of explosion are less in former case Rate of steam flow is more in former case Former is used for high installed capacity Former occupies less space for same power Chances of explosion are less in former case ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Same None of these Less More Same None of these Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Centrifugal fan Chimney Both (A) and (B) Steam jet Centrifugal fan Chimney Both (A) and (B) Steam jet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Infinitely long Around 200 meters Equal to the height of the hot gas column producing draught Outside temperature is very low Infinitely long Around 200 meters Equal to the height of the hot gas column producing draught Outside temperature is very low ANSWER DOWNLOAD EXAMIANS APP