Fuels and Combustion White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is Coke oven gas Pitch Pulverised coke Tar Coke oven gas Pitch Pulverised coke Tar ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 40 48 21 5 40 48 21 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank Neither A nor B Both A and B The ratio of its percentage of fixed carbon to that of volatile matter Helpful in estimation of its rank ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal All of these Hard semi-coke starts shrinking at 600°C All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C All of these Hard semi-coke starts shrinking at 600°C All tar is evolved at < 600°C Evolution of H₂ and formation of methane and aromatics occur at > 700°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Slow & high Fast & slow Slow & low Fast & high Slow & high Fast & slow Slow & low Fast & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CH₄ N₂ & CO N₂ & H₂ CH₄ & CO₂ N₂ & CH₄ N₂ & CO N₂ & H₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
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