Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke Does not change Decreases None of these Increases Does not change Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boilers is best suited to meet fluctuating demands? Locomotive Babcock and Wilcox Lancashire Cochran Locomotive Babcock and Wilcox Lancashire Cochran ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Volume at cut-off to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Clearance volume to the swept volume Volume at cut-off to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Clearance volume to the swept volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Natural draught Forced draught Balanced draught Induced draught Natural draught Forced draught Balanced draught Induced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Dynamic Static Neither static nor dynamic Static and dynamic Dynamic Static Neither static nor dynamic Static and dynamic ANSWER DOWNLOAD EXAMIANS APP