Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 75 35 to 45 55 to 75 15 to 25 75 35 to 45 55 to 75 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value All of these Improves its coking properties Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value All of these Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Clarain Vitrain Durain Fussain Clarain Vitrain Durain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 47.3 23 27.6 42.9 47.3 23 27.6 42.9 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are 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% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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