Steam Boilers, Engines, Nozzles and Turbines Tertiary air is the air used to 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 Cool the scanners 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 Cool the scanners ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? Both (A) and (B) None of these Economizer Superheater Both (A) and (B) None of these Economizer Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. None of these Equal Less More None of these Equal Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Aid in proper combustion Because sputtering, possibly extinguishing flame Clean the nozzles Keep the burner tips cool Aid in proper combustion Because sputtering, possibly extinguishing flame Clean the nozzles Keep the burner tips cool ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fittings mounted on the boiler for its proper and safe functioning is a Safety valve Pressure gauge Water level indicator All of these Safety valve Pressure gauge Water level indicator All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the isentropic heat drop to the heat supplied, is called Reheat factor Internal efficiency Rankine efficiency Stage efficiency Reheat factor Internal efficiency Rankine efficiency Stage efficiency ANSWER DOWNLOAD EXAMIANS APP