Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Could be raised at fast/slow rate depending on design Is raised at slower rate Is raised at same rate Can be raised rapidly Could be raised at fast/slow rate depending on design Is raised at slower rate Is raised at same rate Can be raised rapidly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Has no effect on None of these Decreases Increases Has no effect on None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Remain as it was Boil Flash i.e. get converted into steam Cool down Remain as it was Boil Flash i.e. get converted into steam Cool down ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for Large marine propulsion Electric power generation All of these Direct drive of fans, compressors, pumps Large marine propulsion Electric power generation All of these Direct drive of fans, compressors, pumps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases/decreases depending on steam temperature requirements Decreases Increases Remains unchanged Increases/decreases depending on steam temperature requirements Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.23 0.4 0.3 0.21 0.23 0.4 0.3 0.21 ANSWER DOWNLOAD EXAMIANS APP
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