Steam Boilers, Engines, Nozzles and Turbines A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as Low pressure turbine Impulse turbine Back pressure turbine Pass out turbine Low pressure turbine Impulse turbine Back pressure turbine Pass out turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air Air required to convert CO into CO₂ Air present in atmosphere at NTP conditions Air required for complete combustion of fuel with no excess air Air required for optimum combustion so as to have reasonable excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam. None of these Same More Less None of these Same More Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these 3.5 to 4.5 m 1.5 to 2 m 2.5 to 3.5 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low Around 200 meters Infinitely long Equal to the height of the hot gas column producing draught Outside temperature is very low ANSWER DOWNLOAD EXAMIANS APP