Steam Boilers, Engines, Nozzles and Turbines The behavior of coal in a furnace is determined by The exact analysis The content of sulphur The proximate analysis The content of ash and heating value The exact analysis The content of sulphur The proximate analysis The content of ash and heating value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Dry saturated steam None of these Wet steam Superheated steam Dry saturated steam None of these Wet steam Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 5.47 mm 4.75 mm 7.45 mm 47.5 mm 5.47 mm 4.75 mm 7.45 mm 47.5 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Air delivered by induced 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 induced 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 discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle) Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
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