Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Oxidation Gasification Carbonisation Coalification Oxidation Gasification Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 750 500 1100 950 750 500 1100 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion KOH solution used in orsat apparatus absorbs Neither A nor B Both A & B SO₂ CO₂ Neither A nor B Both A & B SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 1150 550 950 750 1150 550 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CH₄ CH₄ & CO₂ N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ N₂ & H₂ N₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have High ash High calorific value Low ash High volatile matter High ash High calorific value Low ash High volatile matter ANSWER DOWNLOAD EXAMIANS APP
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