Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Before the economiser Before the superheater None of these Between the economiser and chimney Before the economiser Before the superheater None of these Between the economiser and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating of dry steam above saturation temperature is known as Enthalpy Latent heat Super saturation Superheating Enthalpy Latent heat Super saturation Superheating ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially wet steam is 0.577 0.601 0.582 0.546 0.577 0.601 0.582 0.546 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Quantity of flue gases to be handled The draft to be created Control of pollution Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution Limitation of construction facilities ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Power of the boiler Efficiency of the boiler Efficiency of the fan Efficiency of the chimney Power of the boiler Efficiency of the boiler Efficiency of the fan Efficiency of the chimney 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 100 kg/cm² and 540°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 100 kg/cm² and 540°C 218 kg/cm² abs and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C ANSWER DOWNLOAD EXAMIANS APP