Fuels and Combustion Compound coke ovens are those which can be heated by Rich gas (e.g., coke oven gas) Both steam and electrical power Lean gas (e.g., B.F. gas) Both B and C Rich gas (e.g., coke oven gas) Both steam and electrical power Lean gas (e.g., B.F. gas) Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 43832 150-200 15-30 70-100 43832 150-200 15-30 70-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Hydrogen Sulphur Carbon Oxygen Hydrogen Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) All of these Washing lump coal (> 80 mm size) Removing ash from the coal based on difference in specific gravity of coal and ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 100 50 15 1 100 50 15 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 80 18 48 8 80 18 48 8 ANSWER DOWNLOAD EXAMIANS APP