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 Main use of soft coke is as __________ fuel. Foundary None of these Blastfurnace Domestic Foundary None of these Blastfurnace Domestic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 1100 500 750 950 1100 500 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 15 & 8 10 & 3 10 & 20 3 & 10 15 & 8 10 & 3 10 & 20 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 19 21 29 23 19 21 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP