Steam Boilers, Engines, Nozzles and Turbines The supersaturated flow of steam through a nozzle as compared to a stable flow, the available heat drop Is unpredictable Remains the same Increases Decreases Is unpredictable Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Equal to Four times Twice Three times Equal to Four times Twice Three times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Entropy and specific volume of the steam increases All of these Mass of the steam discharged increases Exit velocity of steam reduces Entropy and specific volume of the steam increases All of these Mass of the steam discharged increases Exit velocity of steam reduces ANSWER DOWNLOAD EXAMIANS APP
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