Steam Boilers, Engines, Nozzles and Turbines Secondary air is the air used to Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by induced draft fan Provide air around burners for obtaining optimum combustion Transport and dry the coal Convert CO (formed in lower zone of furnace) into CO₂ at higher zone Air delivered by induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Lower than Equal to Higher than None of these Lower than Equal to Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The average operating pressure of Benson boiler is 100 bar 250 bar 200 bar 150 bar 100 bar 250 bar 200 bar 150 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? Both (A) and (B) Superheater Economizer None of these Both (A) and (B) Superheater Economizer None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder. None of the listed here Less than Equal to More than None of the listed here Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of internal flue tubes of a Lancashire boiler is about ___ that of its shell. One-third One-half One-fourth Two-fifth One-third One-half One-fourth Two-fifth ANSWER DOWNLOAD EXAMIANS APP
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