Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Increases expansion ratio of steam Reduces temperature of exhaust steam Reduces back pressure of steam All of these Increases expansion ratio of steam Reduces temperature of exhaust steam Reduces back pressure of steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 150 kg/h 340 kg/h 280 kg/h 210 kg/h 150 kg/h 340 kg/h 280 kg/h 210 kg/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water Pump feed water Create vacuum at turbine exhaust Create vacuum in furnace Dose chemicals in feed water Pump feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Equal to the velocity of sound Less than the velocity of sound More than the velocity of sound None of these Equal to the velocity of sound Less than the velocity of sound More than the velocity of sound None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio O₂ to support combustion Proper ignition temperature All the three above Correct fuel air ratio ANSWER DOWNLOAD EXAMIANS APP