Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases fuel consumption Decreases steam pressure Increases steam flow Increases steam pressure Decreases fuel consumption Decreases steam pressure Increases steam flow Increases steam pressure 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 None of these Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a Divergent nozzle Convergent-divergent nozzle Convergent nozzle None of these Divergent nozzle Convergent-divergent nozzle Convergent nozzle None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference of supersaturated temperature and saturation temperature at that pressure is called Degree of under-cooling Degree of super-saturation None of the listed here Degree of superheat Degree of under-cooling Degree of super-saturation None of the listed here Degree of superheat ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is Equal Less May be less or more depending on temperature More Equal Less May be less or more depending on temperature More ANSWER DOWNLOAD EXAMIANS APP
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