Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Air delivered by forced draft fan Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Air delivered by forced draft fan Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Unburnt carbon Moisture in fuel Dry flue gases Steam formation Unburnt carbon Moisture in fuel Dry flue gases Steam formation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Lower than Equal to Higher than None of these Lower than Equal to Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Cochran boiler Lancashire boiler Cornish boiler Locomotive boiler Cochran boiler Lancashire boiler Cornish boiler Locomotive boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Proximate analysis of fuel is determination of percentage of Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Higher calorific value Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Higher calorific value Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
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