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 Superheater Injector Air-preheater Economizer Superheater Injector Air-preheater Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum at turbine exhaust Pump feed water Dose chemicals in feed water Create vacuum in furnace Create vacuum at turbine exhaust Pump feed water Dose chemicals in feed water Create vacuum in furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In forced circulation steam boilers, the force is applied To draw water To circulate water To drain off the water All of these To draw water To circulate water To drain off the water All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is 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 Lever safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Mean diameter and thickness Outside diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Outside diameter and thickness Inside diameter and thickness Outside diameter and inside diameter ANSWER DOWNLOAD EXAMIANS APP