Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Rankine efficiency Internal efficiency Reheat factor Stage efficiency Rankine efficiency Internal efficiency Reheat factor Stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The variation of steam pressure in the nozzle depends upon Specific volume of steam Velocity of steam All of these Dryness fraction of steam Specific volume of steam Velocity of steam All of these Dryness fraction of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isentropic process Throttling process Free expansion process Isothermal process Isentropic process Throttling process Free expansion process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is More efficient and less economical More efficient and more economical Less efficient and less economical Less efficient and more economical More efficient and less economical More efficient and more economical Less efficient and less economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater 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 The cylinder dimensions of a compound engine may be designed on the basis of Equal temperature drop in each cylinder for economy of steam All of these Equal power developed in each cylinder for uniform turning moment Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders Equal temperature drop in each cylinder for economy of steam All of these Equal power developed in each cylinder for uniform turning moment Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders ANSWER DOWNLOAD EXAMIANS APP
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