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. Twice Equal to Three times Four times Twice Equal to Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is of Natural circulation type Horizontal type Stationary < fire tube type All of the listed here Natural circulation type Horizontal type Stationary < fire tube type All of the listed here 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 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, in turn, on both sides of the piston and one working stroke is 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 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, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Remains same None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) ANSWER DOWNLOAD EXAMIANS APP
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