Fuels and Combustion Coalification means the Process of conversion of lignite into anthracite Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal Process of conversion of lignite into anthracite Complete combustion of coal Underground gasification of coal Direct hydrogenation of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Is related to its calorific value Gives an idea of the fusion temperature of ash Is a measure of its size stability, when stored & exposed to weather Is a measure of its caking tendency Is related to its calorific value Gives an idea of the fusion temperature of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Kindling temperature Smoke point Fire point Burning temperature Kindling temperature Smoke point Fire point Burning temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? H₂ None of these CO CH₄ H₂ None of these CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Hydrogenation None of these Carbonisation Gasification Hydrogenation None of these Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP