Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Increases steam flow Increases steam pressure Decreases fuel consumption Decreases steam pressure Increases steam flow Increases steam pressure Decreases fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 5 to 7.5 m 2 to 4.5 m 7 to 9 m 3 to 5 m 5 to 7.5 m 2 to 4.5 m 7 to 9 m 3 to 5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Water gas Coal gas Producer gas Blast furnace gas Water gas Coal gas Producer gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Cool the scanners Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The turbine blades are None of these Straight Circular Curved None of these Straight Circular Curved ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases All of these Heat carried away by ash Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by flue gases All of these Heat carried away by ash ANSWER DOWNLOAD EXAMIANS APP
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