Steam Boilers, Engines, Nozzles and Turbines The flow of steam is supersonic In the divergent portion of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle At the throat of the nozzle In the divergent portion of the nozzle In the convergent portion of the nozzle At the entrance to the nozzle At the throat of the nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Approach temperature should be as low as possible Heat transfer area should be optimum Handling and maintenance should be easier Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Heat transfer area should be optimum Handling and maintenance should be easier Stack gases should not be cooled to the dew point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? None of the listed here Peat Non-coking bituminous coal Brown coal None of the listed here Peat Non-coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly ANSWER DOWNLOAD EXAMIANS APP
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 Impulse turbine Low pressure turbine Back pressure turbine Pass out turbine Impulse turbine Low pressure turbine Back pressure turbine Pass out turbine ANSWER DOWNLOAD EXAMIANS APP
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