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 V cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V² cosα Vb = 0.5 V cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V² cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is Very high High Low Very low Very high High Low Very low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam at throat of the nozzle is __________ the velocity of sound. More than Less than Equal to None of these More than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At which pressure the properties of water and steam become identical 0.1 kg/cm² 1 kg/cm² 100 kg/cm² 225.6 kg/cm² 0.1 kg/cm² 1 kg/cm² 100 kg/cm² 225.6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. Increases Remains same Decreases None of the listed here Increases Remains same Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate Reduce hardness and for removal of solids Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate Reduce hardness and for removal of solids ANSWER DOWNLOAD EXAMIANS APP