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 Injector Superheater Economizer Air-preheater Injector Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called Condenser efficiency Boiler efficiency Vacuum efficiency Nozzle efficiency Condenser efficiency Boiler efficiency Vacuum efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is used in Cement industry Blast furnace Thermal power plant Domestic use Cement industry Blast furnace Thermal power plant Domestic use ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Vertical fire tube type Horizontal water tube type Forced circulation type Horizontal fire tube type Vertical fire tube type Horizontal water tube type Forced circulation type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is No heat drop in fixed blades No heat drop in moving blades Maximum heat drop in fixed blades Maximum heat drop in moving blades No heat drop in fixed blades No heat drop in moving blades Maximum heat drop in fixed blades Maximum heat drop in moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure ANSWER DOWNLOAD EXAMIANS APP
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