- (A) Coke breeze
- (B) Soft coke
- (C) Colloidal fuels
- (D) Charcoal
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- (A) Would require smaller combustion chamber
- (B) Produces very little of tar and gas on carbonisation
- (C) Ignites easily and burns with long smoky flame
- (D) All
- (A) 10
- (B) 25
- (C) 50
- (D) 75
- (A) That present in volatile matters
- (B) The total quantity of carbon present in the coal
- (C) Hundred minus the percentage of volatile matter, ash and moisture
- (D) The one which is present in the residue after combustion
- (A) Lengthens the flame
- (B) Tends to shorten the flame
- (C) Does not affect the flame length
- (D) Increases the flame temperature
- (A) 10,000
- (B) 15,000
- (C) 5,000
- (D) 20,000
- (A) LPG
- (B) Gobar gas
- (C) Coke oven gas
- (D) Carburetted water gas
- (A) Benzol
- (B) Pitch-creosote mixture (PCM)
- (C) Naphthalene
- (D) Ethylene
- (A) Calorific value increases
- (B) Swelling number decreases
- (C) Swelling number increases
- (D) Bulk density decreases
- (A) Tar
- (B) Molasses
- (C) Pitch
- (D) Line

