Fuels and Combustion Compound coke ovens are those which can be heated by Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 48 21 5 40 48 21 5 40 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal All of these Ammonia yield is more Aliphatic tar is produced Free carbon in tar is more All of these Ammonia yield is more Aliphatic tar is produced Free carbon in tar is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less Tar yield is more Ignition temperature of coke produced is less Aromatic content of tar produced is more Gas yield is less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Non-banded Splint Bright Boghead Non-banded Splint Bright Boghead ANSWER DOWNLOAD EXAMIANS APP