Fuels and Combustion

A. Coking coals cannot be used
B. Low carbon conversion efficiency is achieved
C. Entrainment of solids is higher
D. Larger quantity of coal can be processed

A. H2
B. CO
C. CH4
D. C2H6

A. Blast furnace gas
B. Hydrogen
C. Acetylene
D. Coke oven gas

A. Carburetted water gas
B. Blast furnace gas
C. Natural gas
D. Producers’ gas

A. Ash disposal problem
B. Excessive fly-ash discharge from the stack
C. High power consumption in its transportation
D. Erosion of induced draft fan blades

A. Furnace oil
B. Natural gas
C. Coal
D. Naphtha

A. y
B. 0.95 y
C. 1.05 y
D. 1.8 y

A. Exothermic
B. Endothermic
C. Catalytic
D. Autocatalytic

A. 30
B. 300
C. 3,000
D. 30,000

A. High volatile matter
B. Low ash
C. High calorific value
D. High ash