Steam Boilers, Engines, Nozzles and Turbines A closed vessel made of steel and used for the generation of steam is called a Steam condenser Steam boiler Steam turbine Steam injector Steam condenser Steam boiler Steam turbine Steam injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gas from furnace From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another By direct mixing Heat is transferred by bleeding some gas from furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Vacuum efficiency Condenser efficiency Boiler efficiency Nozzle efficiency Vacuum efficiency Condenser efficiency Boiler efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of steam turbines may be improved by Any one of these Reheating of steam Regenerative feed heating Binary vapor plant Any one of these Reheating of steam Regenerative feed heating Binary vapor plant 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 Decreases Increases First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not the correct statement about moisture in coal? It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things It increases thermal efficiency Some moisture in coal helps in better burning which is not possible with completely dry coal In some coals moisture may be present up to 40% Inherent moisture and surface moisture are different things ANSWER DOWNLOAD EXAMIANS APP
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