Steam Boilers, Engines, Nozzles and Turbines The natural draught is produced by Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be 8.2 bar 3.3 bar 5.46 bar 9.9 bar 8.2 bar 3.3 bar 5.46 bar 9.9 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a High pressure and a low velocity Low pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity High pressure and a low velocity Low pressure and a low velocity Low pressure and a high velocity High pressure and a high velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure boiler is one, which produces steam at a pressure more than 7580 kg/cm² 10 kg/cm² Atmospheric pressure 5 kg/cm² 7580 kg/cm² 10 kg/cm² Atmospheric pressure 5 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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