Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the Entropy and specific volume of the steam increases Exit velocity of steam reduces Mass of the steam discharged increases All of these Entropy and specific volume of the steam increases Exit velocity of steam reduces Mass of the steam discharged increases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is required for a steam condensing plant? Condenser Air extraction pump Condensate pump All of these Condenser Air extraction pump Condensate pump All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these 2.5 to 3.5 m 1.5 to 2 m 3.5 to 4.5 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
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 = pm/K pa = K/pm pa = pm × K pa = pm + K pa = pm/K pa = K/pm pa = pm × K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as Reheating of steam None of these Regenerative heating Bleeding Reheating of steam None of these Regenerative heating Bleeding ANSWER DOWNLOAD EXAMIANS APP
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