Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is not subjected to washing Has higher calorific value Is harder and stronger Has low quantity of mineral matter Is not subjected to washing Has higher calorific value Is harder and stronger Has low quantity of mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Moisture Volatile matter Sulphur (4-6%) Ash Moisture Volatile matter Sulphur (4-6%) Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 2.5 7.5 10.5 14.5 2.5 7.5 10.5 14.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Semi-anthracite Sub-bituminous Bituminous Lignite Semi-anthracite Sub-bituminous Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Orsat apparatus is meant for Gravimetric analysis of flue gas None of these Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Finding out combustion efficiency Gravimetric analysis of flue gas None of these Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Finding out combustion efficiency ANSWER DOWNLOAD EXAMIANS APP
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