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 During storage, the heating value of coal Decreases May increase or decrease depending upon the method of storage Increases Remain constant Decreases May increase or decrease depending upon the method of storage Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Maximum energy loss in a boiler occurs due to Unburnt carbon in ash Ash content Flue gases Incomplete combustion Unburnt carbon in ash Ash content Flue gases Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Any one of these Reheating of steam Regenerative feed heating Binary vapor plant Any one of these Reheating of steam Regenerative feed heating Binary vapor plant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Remain unaffected Worsen Improve May improve/worsen depending on size Remain unaffected Worsen Improve May improve/worsen depending on size ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Equal heating surface Heating surface depends on other parameters Less heating surface More heating surface Equal heating surface Heating surface depends on other parameters Less heating surface More heating surface ANSWER DOWNLOAD EXAMIANS APP