Fuels and Combustion For maximum discharge through a chimney, its height should be 200 meters Equal to the height of the hot gas column producing draught Infinitely long More than 105.7 metres 200 meters Equal to the height of the hot gas column producing draught Infinitely long More than 105.7 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Both B and C May damage the coke oven walls during carbonisation Produce strong coke Produce weak coke Both B and C May damage the coke oven walls during carbonisation Produce strong coke Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Smoking tendency on burning Ignition temperature Chance of catching fire during storage in open space Coke oven gas yield on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 0.1 10 2 5 0.1 10 2 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame velocity? C₂H₆ CO CH₄ H₂ C₂H₆ CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 5 25 75 55 5 25 75 ANSWER DOWNLOAD EXAMIANS APP
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