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 Air delivered by forced draft fan Transport and dry the coal Provide air around burners for obtaining optimum combustion Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by forced draft fan Transport and dry the coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as 50°C and 1.1 bar pressure 100°C and normal atmospheric pressure 100°C and 1.1 bar pressure 50°C and normal atmospheric pressure 50°C and 1.1 bar pressure 100°C and normal atmospheric pressure 100°C and 1.1 bar pressure 50°C and normal atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Benson boiler Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Benson boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? All of these The steam consumption is less A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less A steam turbine develops higher speeds The efficiency of steam turbine is higher ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly Rapidly first and then slowly Linearly Inversely Slowly first and then rapidly ANSWER DOWNLOAD EXAMIANS APP
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