Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce speed of rotor All of these Improve efficiency Reduce exit losses Reduce speed of rotor All of these Improve efficiency Reduce exit losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 273 kgf/ cm² 1 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, the heat is lost To dry flue gases All of these To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel To dry flue gases All of these To steam formed by combustion of hydrogen per kg of fuel In moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is Below atmospheric pressure 100 kg/cm² 225.6 kg/cm² 1 kg/cm² Below atmospheric pressure 100 kg/cm² 225.6 kg/cm² 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A turbine is said to have an axial discharge when the steam leaves the blade tip at _________ to the direction of the blade motion. 270° 60° 180° 90° 270° 60° 180° 90° ANSWER DOWNLOAD EXAMIANS APP