Steam Boilers, Engines, Nozzles and Turbines Blading efficiency is also known as Stage efficiency Diagram efficiency Nozzle efficiency None of these Stage efficiency Diagram efficiency Nozzle efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor Change in axial velocity None of these Both (A) and (B) Pressure drop across the rotor 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
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Stop valve Blow off cock Fusible plug Superheater Stop valve Blow off cock Fusible plug Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Regulate flow of boiler water Recirculate unwanted feed water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place Regulate flow of boiler water Recirculate unwanted feed water Check level of water in boiler drum Allow high pressure feed water to flow to drum and not allow reverse flow to take place ANSWER DOWNLOAD EXAMIANS APP