Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fifth One fourth One half One third One fifth One fourth One half One third ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Cooling of steam Both (A) and (B) Reheating of steam Regeneration Cooling of steam Both (A) and (B) Reheating of steam Regeneration ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces Corrosion caused by oxygen pH value of water Cavitation of boiler feed pumps Heat transfer coefficient Corrosion caused by oxygen pH value of water Cavitation of boiler feed pumps Heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is Equal Less More Could be more or less depending on the size of plant Equal Less More Could be more or less depending on the size of plant 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 = K/pm pa = pm/K pa = pm × K pa = pm + K pa = K/pm pa = pm/K pa = pm × K pa = pm + K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Parson's turbine stage, blade velocity is 320 m/s at the mean radius and rotor blade exit angle is 30°. For minimum kinetic energy of the steam leaving the stage, the steam velocity at the exit of the rotor will be 640/3 m/s 640 m/s 320/3 m/s 160/3 m/s 640/3 m/s 640 m/s 320/3 m/s 160/3 m/s ANSWER DOWNLOAD EXAMIANS APP