Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Stack gases should not be cooled to the dew point Handling and maintenance should be easier Heat transfer area should be optimum Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Handling and maintenance should be easier Heat transfer area should be optimum Approach temperature should be as low as possible ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Multi-stage steam turbines are of the All of these Pressure compounded type Velocity compounded type Reaction type All of these Pressure compounded type Velocity compounded type Reaction type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Throttling process Isothermal process Free expansion process Isentropic process Throttling process Isothermal process Free expansion process Isentropic process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes in a Lancashire boiler compared to its shell is One-half Two-fifth One-third Two-fourth One-half Two-fifth One-third Two-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference of supersaturated temperature and saturation temperature at that pressure is called None of the listed here Degree of super-saturation Degree of superheat Degree of under-cooling None of the listed here Degree of super-saturation Degree of superheat Degree of under-cooling ANSWER DOWNLOAD EXAMIANS APP
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