Steam Boilers, Engines, Nozzles and Turbines Parson's turbine is a None of these Simple impulse turbine Impulse-reaction turbine Simple reaction turbine None of these Simple impulse turbine Impulse-reaction turbine Simple reaction turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic At the entrance to the nozzle In the convergent portion of the nozzle In the divergent portion of the nozzle At the throat of the nozzle At the entrance to the nozzle In the convergent portion of the nozzle In the divergent portion of the nozzle At the throat of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 10 kg/cm² 18 kg/cm² 5 kg/cm² 1 kg/cm² 10 kg/cm² 18 kg/cm² 5 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. 90° 180° 270° 60° 90° 180° 270° 60° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
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