Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce smaller coke Require less time of carbonisation All of these Produce stronger coke Produce smaller coke Require less time of carbonisation All of these Produce stronger coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 22 7 1 46 22 7 1 46 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not A domestic fuel None of these Produced by low temperature carbonisation of coal Used in blast furnaces A domestic fuel None of these Produced by low temperature carbonisation of coal Used in blast furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Bright Boghead Splint Non-banded Bright Boghead Splint Non-banded ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Methane percentage in the coke oven gas increases Tar yield increases Coke even gas yield increases Hydrogen percentage in the coke oven gas decreases Methane percentage in the coke oven gas increases Tar yield increases Coke even gas yield increases Hydrogen percentage in the coke oven gas decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 20 0 12.5 10 20 0 12.5 10 ANSWER DOWNLOAD EXAMIANS APP
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