Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio All the three above O₂ to support combustion Proper ignition temperature Correct fuel air ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant Increase steam parameters Reduce hardness and for removal of solids Increase heat transfer rate Increase efficiency of thermal power plant Increase steam parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Depends on temperature also Zero Maximum Minimum Depends on temperature also Zero Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Increases/decreases depending on steam temperature requirements Increases Decreases Remains unchanged Increases/decreases depending on steam temperature requirements Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cochran boiler is a Vertical fire tube boiler Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler Vertical fire tube boiler Horizontal water tube boiler Vertical water tube boiler Horizontal fire tube boiler ANSWER DOWNLOAD EXAMIANS APP