Fuels and Combustion A sample of natural gas containing 80% methane (CH₄) and rest nitrogen (N₂) is burnt with 20% excess air. With 80% of the combustibles producing CO₂ and the reminder going to CO, the Orsat analysis in volume percent is CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Higher calorific value Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability Higher calorific value Lower ignition temperature Lower theoretical flame temperature Narrower limit of inflammability ANSWER DOWNLOAD EXAMIANS APP
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. Carbonisation Oxidation Gasification Coalification Carbonisation Oxidation Gasification Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas constitutes mainly of H₂ & CO H₂ & CH₄ H₂ & CO₂ CH₄ & CO H₂ & CO H₂ & CH₄ H₂ & CO₂ CH₄ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Solid fuels Gaseous fuels Fat coals Liquid fuels Solid fuels Gaseous fuels Fat coals Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is CH₄ CO₂ H₂ N₂ CH₄ CO₂ H₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
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