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 Air-preheater Superheater Injector Economizer Air-preheater Superheater Injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 1 kg.m is equal to 427 Joules 9.81 Joules None of these 102 Joules 427 Joules 9.81 Joules None of these 102 Joules ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Mode of steam action Direction of steam flow Number of stages All of these Mode of steam action Direction of steam flow Number of stages All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Pressure gauge Feed pump Feed check valve Injector Pressure gauge Feed pump Feed check valve Injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Better burning More calorific value Less radiation loss Medium sized units Better burning More calorific value Less radiation loss Medium sized units ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Natural draught Forced draught Induced draught Balanced draught Natural draught Forced draught Induced draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
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