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 Less heating surface More heating surface Equal heating surface Heating surface depends on other parameters Less heating surface More heating surface Equal heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.8 0.25 0.5 0.4 0.8 0.25 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Chances of explosion are less in former case Former is used for high installed capacity Rate of steam flow is more in former case Former occupies less space for same power Chances of explosion are less in former case Former is used for high installed capacity Rate of steam flow is more in former case ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a single acting steam engine The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Work is done All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls Work is done All of these Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is Less Could be more or less depending on the size of plant More Equal Less Could be more or less depending on the size of plant More Equal ANSWER DOWNLOAD EXAMIANS APP
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