Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm/K pa = K/pm pa = pm + K pa = pm × K pa = pm/K pa = K/pm pa = pm + K pa = pm × K 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 Induced draught Balanced draught Forced draught Natural draught Induced draught Balanced draught Forced draught Natural draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by Horizontal straight line Vertical straight line Straight inclined line Curved line Horizontal straight line Vertical straight line Straight inclined line Curved line ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called Stop valve Fusible plug Superheater Blow off cock Stop valve Fusible plug Superheater Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are Internally as well as externally fired Internally fired Externally fired None of these Internally as well as externally fired Internally fired Externally fired None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The missing quantity per stroke is equal to Cylinder feed + indicated mass of steam Mass of cushion steam + indicated mass of steam Mass of cushion steam + cylinder feed Cylinder feed indicated mass of steam Cylinder feed + indicated mass of steam Mass of cushion steam + indicated mass of steam Mass of cushion steam + cylinder feed Cylinder feed indicated mass of steam ANSWER DOWNLOAD EXAMIANS APP