Steam Boilers, Engines, Nozzles and Turbines The indicated thermal efficiency is defined as the Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of thermal efficiency to the Rankine efficiency Product of thermal efficiency and Rankine efficiency Ratio of brake power to the indicated power Ratio of heat equivalent to indicated power to the energy supplied in steam Ratio of thermal efficiency to the Rankine efficiency Product of thermal efficiency and Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal To provide proper conditions for continuous complete combustion Mix fuel with air and ignite Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal To provide proper conditions for continuous complete combustion Mix fuel with air and ignite ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion None of these Does not change Increases Decreases None of these Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Flat characteristic Drooping characteristic Rising characteristic Linear characteristic Flat characteristic Drooping characteristic Rising characteristic Linear characteristic 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 Back pressure turbine Low pressure turbine Pass out turbine Impulse turbine Back pressure turbine Low pressure turbine Pass out turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 + moisture content 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content 1 – moisture content (1- moisture content) (1 + moisture content) ANSWER DOWNLOAD EXAMIANS APP
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