Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 1.05 2.86 10.05 6.65 1.05 2.86 10.05 6.65 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of flue tube in a Cornish boiler is _________ that of the shell. One-third Three-fifth One-fourth Two-fifth One-third Three-fifth One-fourth Two-fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Efficiency of Rankine cycle can be increased by Decreasing exhausts pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Increasing exhaust pressure Decreasing exhausts pressure Increasing the expansion ratio Decreasing initial steam pressure and temperature Increasing exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are None of these Internally as well as externally fired Externally fired Internally fired None of these Internally as well as externally fired Externally fired Internally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of super-saturation is that the All of these Entropy and specific volume of the steam increases Exit velocity of steam reduces Mass of the steam discharged increases All of these Entropy and specific volume of the steam increases Exit velocity of steam reduces Mass of the steam discharged increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon All of these Back pressure Initial conditions of steam Initial pressure of steam All of these Back pressure Initial conditions of steam Initial pressure of steam ANSWER DOWNLOAD EXAMIANS APP
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