Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Improve efficiency All of these Reduce exit losses Reduce speed of rotor Improve efficiency All of these Reduce exit losses Reduce speed of rotor ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Producer gas Blast furnace gas Coal gas Water gas Producer gas Blast furnace gas Coal gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Vacuum for reciprocating steam engines compared to steam turbines is More Equal Less Could be more or less depending on the size of plant More Equal Less Could be more or less depending on the size of plant 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 super-saturation Degree of under-cooling Degree of superheat None of the listed here Degree of super-saturation Degree of under-cooling Degree of superheat None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to Cool the scanners Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion Cool the scanners Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Provide air around burners for obtaining optimum combustion ANSWER DOWNLOAD EXAMIANS APP
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