Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Economizer Superheater Injector Air-preheater Economizer Superheater Injector Air-preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 1 kg.m is equal to None of these 427 Joules 9.81 Joules 102 Joules None of these 427 Joules 9.81 Joules 102 Joules ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Lever safety valve Spring loaded safety valve High steam and low water safety valve Dead weight safety valve Lever safety valve Spring loaded safety valve High steam and low water safety valve Dead weight safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
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