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 < 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 α₁ = β₂ and β₁ = α₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam leaves the nozzle at a High pressure and a low velocity High pressure and a high velocity Low pressure and a low velocity Low pressure and a high velocity High pressure and a low velocity High pressure and a high velocity Low pressure and a low velocity Low pressure and a high velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-third Two-fifth One-half One-fourth One-third Two-fifth One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Change in enthalpy Flue gases pass through tubes and water around it Water passes through the tubes and flue gases around it Work is done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Duplex feed pumps are used in small steam boilers. These operate on the principle of Gear pump Centrifugal pump Axial flow pump Reciprocating pump Gear pump Centrifugal pump Axial flow pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Throttle governing of steam engines is a method of controlling the engine output by varying Pressure of intake steam Temperature of intake steam All of these Volume of intake steam Pressure of intake steam Temperature of intake steam All of these Volume of intake steam ANSWER DOWNLOAD EXAMIANS APP
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