Fuels and Combustion A coal containing high amount of volatile matter will have 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 High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 15 to 25 35 to 45 75 55 to 75 15 to 25 35 to 45 75 55 to 75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Reduces its consumption in the furnace Increases its consumption in the furnace Does not affect its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always > 1 1 < 1 Unpredictable > 1 1 < 1 Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Micum Index of a coke is a measure of its Bulk density Porosity Reactivity Hardness & strength Bulk density Porosity Reactivity Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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