Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CH₄ CH₄ & CO₂ N₂ & CO N₂ & H₂ N₂ & CH₄ CH₄ & CO₂ N₂ & CO N₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be Infinitely long More than 105.7 metres 200 meters Equal to the height of the hot gas column producing draught Infinitely long More than 105.7 metres 200 meters Equal to the height of the hot gas column producing draught ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Porosity Reactivity Agglutinating (binding) properties Abradability Porosity Reactivity Agglutinating (binding) properties Abradability 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 Gasification Coalification Oxidation Carbonisation Gasification Coalification Oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 22 12 8 36 22 12 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. All of these Iron sulphate Lime and magnesia Iron silicate All of these Iron sulphate Lime and magnesia Iron silicate ANSWER DOWNLOAD EXAMIANS APP