Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Dryness fraction of steam Specific volume of steam All of these Velocity of steam Dryness fraction of steam Specific volume of steam All of these Velocity of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. None of these Higher than Equal to Less than None of these Higher than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is Could be more or less depending on the size of plant Equal Less More Could be more or less depending on the size of plant Equal Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Injector Pressure gauge Feed pump Feed check valve Injector Pressure gauge Feed pump Feed check valve 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 = 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
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