Category: Fuels and Combustion

A. Caking power
B. Calorific value
C. Hydrogen content
D. Oxygen content

A. 2.5
B. 0.5
C. 10
D. 20

A. Preheating, blending and de-ashing the coal
B. Stamped charging of coal
C. Dry quenching of coke
D. All A., B. and C.

A. H2
B. CH4
C. CO
D. None of these

A. Reduced NOx formation in flue gas
B. Lower furnace operating temperature
C. High heat transfer rate
D. All A., B. & C.

A. 18
B. 48
C. 8
D. 80

A. % of CO2 in
B. % of O2in
C. Temperature of
D. Colour of

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

A. Gasification of coal
B. Synthesis of gasoline (from water gas)
C. Hydrogenation of coal to produce gasoline
D. None of these

A. CO2
B. CH4
C. H2
D. NH3