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 Injector Air-preheater Superheater Economizer Injector Air-preheater Superheater Economizer ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded in moving blades only The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. None of the listed here Has no effect on Decreases Increases None of the listed here Has no effect on Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are Internally fired Internally as well as externally fired None of these Externally fired Internally fired Internally as well as externally fired None of these Externally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases fuel consumption Decreases steam pressure Increases steam pressure Increases steam flow Decreases fuel consumption Decreases steam pressure Increases steam pressure Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Superheating of steam is done at Constant pressure Constant temperature Constant entropy Constant volume Constant pressure Constant temperature Constant entropy Constant volume ANSWER DOWNLOAD EXAMIANS APP
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