Steam Boilers, Engines, Nozzles and Turbines The process of maintaining the speed of the turbine constant for various load conditions, is known as None of these Reheating Bleeding Governing None of these Reheating Bleeding Governing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as Externally fired boiler Forced circulation boiler Internally fired boiler Natural circulation boiler Externally fired boiler Forced circulation boiler Internally fired boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Heating surface depends on other parameters More heating surface Equal heating surface Less heating surface Heating surface depends on other parameters More heating surface Equal heating surface Less heating surface 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 Decreases Remains unchanged Increases/decreases depending on steam temperature requirements Increases Decreases Remains unchanged Increases/decreases depending on steam temperature requirements Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required for optimum combustion so as to have reasonable excess air Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required to convert CO into CO₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular Blade solidity is 0.65 Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular Blade solidity is 0.65 ANSWER DOWNLOAD EXAMIANS APP