Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel combustion All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 300 30, 000 30 3000 300 30, 000 30 3000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Sulphur (4-6%) Moisture Volatile matter Ash Sulphur (4-6%) Moisture Volatile matter Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coalification means the Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal Process of conversion of lignite into anthracite Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal Process of conversion of lignite into anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Have proper combustion by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Equal More Less More or less ; (depends on the state of fuel.) Equal More Less More or less ; (depends on the state of fuel.) ANSWER DOWNLOAD EXAMIANS APP
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