Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ = β₂ and β₁ = α₂ α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ α₁ = β₁ and α₂= β₂ α₁ = α₂ and β₁ = β₂ α₁ < β₁ and α₂ > β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing exhaust pressure Increasing the expansion ratio Decreasing exhausts pressure Decreasing initial steam pressure and temperature Increasing exhaust pressure Increasing the expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Scotch marine boiler are None of the listed here Vertical Inclined Horizontal None of the listed here Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of 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 Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The major axis of elliptical manholes on the shell should be provided On dished end Longitudinally Circumferentially Anywhere On dished end Longitudinally Circumferentially Anywhere ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Rate of steam flow is more in former case Chances of explosion are less in former case Former is used for high installed capacity Former occupies less space for same power Rate of steam flow is more in former case Chances of explosion are less in former case Former is used for high installed capacity ANSWER DOWNLOAD EXAMIANS APP
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