Steam Boilers, Engines, Nozzles and Turbines Heating wet steam at constant temperature is heating it at constant Pressure Enthalpy Volume Entropy Pressure Enthalpy Volume Entropy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a nozzle, the effect of super-saturation is to Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam Decrease dryness fraction of steam Increase the heat drop Increase the entropy Decrease specific volume of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be Four times the height of chimney One-half the height of chimney Two times the height of chimney Equal to the height of chimney Four times the height of chimney One-half the height of chimney Two times the height of chimney Equal to the height of chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 1.05 10.05 2.86 6.65 1.05 10.05 2.86 6.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Superheated steam None of these Dry saturated steam Wet steam Superheated steam None of these Dry saturated steam Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Dose chemicals in feed water Create vacuum in furnace Create vacuum at turbine exhaust Pump feed water Dose chemicals in feed water Create vacuum in furnace Create vacuum at turbine exhaust Pump feed water ANSWER DOWNLOAD EXAMIANS APP