Steam Boilers, Engines, Nozzles and Turbines With increase in load, radiant superheater has Flat characteristic Drooping characteristic Linear characteristic Rising characteristic Flat characteristic Drooping characteristic Linear characteristic Rising characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 25 to 40% 40 to 60% 15 to 25% 10 to 15% 25 to 40% 40 to 60% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Medium sized units Better burning Less radiation loss More calorific value Medium sized units Better burning Less radiation loss More calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance 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 Pump feed water Create vacuum at turbine exhaust Dose chemicals in feed water Create vacuum in furnace Pump feed water Create vacuum at turbine exhaust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during the Rankine cycle Work done during adiabatic expansion Work done during compression Change in enthalpy Work done during the Rankine cycle Work done during adiabatic expansion Work done during compression Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP