Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Proper fuel preparation Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment Proper fuel preparation Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Adopting efficient-fuel firing technique & equipment ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content None of these High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/kg Same as that of coal middling 25000 kcal/kg 8800 kcal/m³ 8800 kcal/kg Same as that of coal middling 25000 kcal/kg 8800 kcal/m³ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal 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 Reduces its sulphur and ash content Controls its ash fusibility and increases its calorific value All of these ANSWER DOWNLOAD EXAMIANS APP
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