Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Decreases Increases None of these Does not change Decreases Increases None of these Does not change ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Equivalent evaporation is the amount of water evaporated in a boiler from and at 100°C Saturation temperature at given pressure Room temperature 0°C 100°C Saturation temperature at given pressure Room temperature 0°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Heat transfer area should be optimum Approach temperature should be as low as possible Handling and maintenance should be easier Stack gases should not be cooled to the dew point Heat transfer area should be optimum Approach temperature should be as low as possible 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 The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α cot²α tan²α cos²α sin²α cot²α tan²α cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases Increases 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 Two-fifth One-fourth Three-fifth One-third Two-fifth One-fourth Three-fifth ANSWER DOWNLOAD EXAMIANS APP
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