Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Lever safety valve Spring loaded safety valve Dead weight safety valve High steam and low water safety valve Lever safety valve Spring loaded safety valve Dead weight safety valve High steam and low water safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the swept volume Swept volume to the volume at cut-off Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially None of these Wet steam Dry saturated steam Superheated steam None of these Wet steam Dry saturated steam Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called None of these Internal efficiency Rankine efficiency Stage efficiency None of these Internal efficiency Rankine efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A binary vapor plant consists of Mercury boiler Steam turbine All of the listed here Steam condenser Mercury boiler Steam turbine All of the listed here Steam condenser 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 = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ < β₁ and α₂ > β₂ α₁ = β₂ and β₁ = α₂ ANSWER DOWNLOAD EXAMIANS APP