Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to 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 Air delivered by induced draft fan 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 Air delivered by induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Lower calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the thermal efficiency of the boiler when working at a definite pressure To determine the generating capacity of the boiler To prepare heat balance sheet for the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To determine the generating capacity of the boiler To prepare heat balance sheet for the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Blast furnace gas Water gas Coal gas Producer gas Blast furnace gas Water gas Coal gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, flow through turbine is represented by Curved line Horizontal straight line Vertical straight line Straight inclined line Curved line Horizontal straight line Vertical straight line Straight inclined line ANSWER DOWNLOAD EXAMIANS APP
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