Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to 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 Decrease specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. None of these Increases Does not effect Decreases None of these Increases Does not effect Decreases ANSWER DOWNLOAD EXAMIANS APP
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) Increases None of these Decreases Remains constant Increases None of these Decreases Remains constant 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 Latent heat of dry steam at atmospheric pressure is equal to 539 BTU/ lb 539 kcal/ kg 100 kcal/ kg 427 kcal/ kg 539 BTU/ lb 539 kcal/ kg 100 kcal/ kg 427 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP