Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Pressure-velocity compounded turbine Simple reaction turbine Velocity compounded turbine Pressure compounded turbine Pressure-velocity compounded turbine Simple reaction turbine Velocity compounded turbine Pressure compounded turbine 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 Blow off cock Superheater Fusible plug Stop valve Blow off cock Superheater Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 10 to 15% 15 to 20% 20 to 30% 30 to 40% 10 to 15% 15 to 20% 20 to 30% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m ANSWER DOWNLOAD EXAMIANS APP
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 < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₂ and β₁ = α₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of a thermal cycle increases by Cooling of steam Reheating of steam Both (A) and (B) Regeneration Cooling of steam Reheating of steam Both (A) and (B) Regeneration ANSWER DOWNLOAD EXAMIANS APP
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