Fuels and Combustion Washing of coal 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 Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion reaction of fuels is a/an __________ reaction. Auto catalytic Endothermic None of these Exothermic Auto catalytic Endothermic None of these Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 2000 10000 5000 300 2000 10000 5000 300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature High fusion point of its ash Very little ash content Low adiabatic flame temperature Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 ANSWER DOWNLOAD EXAMIANS APP
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