Steam Boilers, Engines, Nozzles and Turbines Primary air is the air used to Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by forced draft fan Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Transport and dry the coal Air delivered by forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Completely balance against end thrust Reduce the effective heat drop Reheat the steam and improve its quality Maintain the speed of the turbine Completely balance against end thrust Reduce the effective heat drop Reheat the steam and improve its quality Maintain the speed of the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Factor of evaporation Power of a boiler Equivalent evaporation Boiler efficiency Factor of evaporation Power of a boiler Equivalent evaporation Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 1 kg/cm² and 100°C 218 kg/cm² abs and 373°C 218 kg/cm² abs and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The difference between Cornish boiler and Lancashire boiler is that Former is water tube type and latter is fire tube type None of the listed here Former contains one fire tube and latter contains two fire tubes Former is fire tube type and latter is water tube type boiler Former is water tube type and latter is fire tube type None of the listed here Former contains one fire tube and latter contains two fire tubes Former is fire tube type and latter is water tube type boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about pulverized fuel firing? High burning rate is possible Fuel burns economically Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash High burning rate is possible Fuel burns economically Heat release can be easily controlled It is the best technique for burning high ash content fuel having low fusion ash ANSWER DOWNLOAD EXAMIANS APP
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