Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel Increase flue gas temperature Extract heat from the exhaust flue gases Increase thermal efficiency of boiler Economize on fuel 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 required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel All of these Moisture present in the fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed Steam formed by combustion of hydrogen per kg of fuel All of these Moisture present in the fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases Pressure increases while velocity decreases Pressure and velocity both increases Pressure and velocity both decreases Pressure decreases while velocity increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbine is a Impulse-reaction turbine Simple reaction turbine None of these Simple impulse turbine Impulse-reaction turbine Simple reaction turbine None of these Simple impulse turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and low speeds Where low speeds are required For large power purposes For small power purposes and high speeds For small power purposes and low speeds Where low speeds are required For large power purposes For small power purposes and high speeds ANSWER DOWNLOAD EXAMIANS APP
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