Fuels and Combustion

A. Absorption in wash oil
B. Adsorption on bog iron bed
C. Bubbling it through dilute sulphuric acid
D. Adsorption on silica gel

A. Amount of heat liberated
B. Flame temperature
C. Flue gas temperature
D. Any of the above

A. H2 & CO
B. H2 & CH4
C. CH4 & CO
D. H2 & CO2

A. Temperature of the flue gas
B. Its height
C. Both A. & B.
D. Neither A. nor B.

A. Higher calorific value
B. Lower hydrogen content
C. Both A. and B.
D. Neither A. nor B.

A. Volatiles
B. Ash
C. Iron
D. Moisture

A. LPG
B. Coal briquettes
C. Tar
D. Colloidal fuels

A. Blast furnace gas
B. Coke oven gas
C. Carburetted water gas
D. Oil refinery gas

A. Calorific value increases sometimes
B. Bulk density always decreases
C. Clinkering tendency during combustion increases
D. None of these

A. 8800
B. 12000
C. 14000
D. 16000