Fuels and Combustion

A. Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)
B. Adiabatic flame temperature
C. Heat release rate (thus requiring smaller combustion chamber)
D. All A., B. and C.

A. Micrinite
B. Clarain
C. Fusinite
D. Liptinite

A. Coke oven gas
B. Furnace oil
C. Pulverised coal
D. Lump coal (fixed on chain grate)

A. 6
B. 18
C. 28
D. 36

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease; depends on the type of fuel

A. 2000
B. 600
C. 1100
D. 1600

A. Deoxidation
B. Gasification
C. Coalification
D. Carbonisation

A. Coke oven gas
B. Water gas
C. Natural gas
D. Blast furnace gas

A. Low fusion point of ash
B. High ash content
C. High sulphur
D. None of these

A. 80 and 97
B. 95 and 100
C. 40 and 70
D. 25 and 97