Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Decreases fuel consumption Increases steam flow Increases steam pressure Decreases steam pressure Decreases fuel consumption Increases steam flow Increases steam pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 1 kg/cm² 100 kg/cm² Below atmospheric pressure 225.6 kg/cm² 1 kg/cm² 100 kg/cm² Below atmospheric pressure 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. Decreases Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Pressure-velocity compounding All of these Velocity compounding Pressure compounding Pressure-velocity compounding All of these Velocity compounding Pressure compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine Reduces wear on the blades All of these Increases the efficiency of the turbine Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP