Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Mixed gas Coke oven gas Both B & C Electricity Mixed gas Coke oven gas Both B & C Electricity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the High oxygen in flue gas Incomplete combustion None of these Complete combustion High oxygen in flue gas Incomplete combustion None of these Complete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to 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 Burn CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Neither A nor B Caking power Calorific value Both A & B Neither A nor B Caking power Calorific value Both A & B ANSWER DOWNLOAD EXAMIANS APP
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