- (A) Prevention of clinker formation in the oven
- (B) Controlling the dust nuisance while charging the coal
- (C) Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H2 in the gas (due to the endothermic reaction represented by C + H2O = CO + H2)
- (D) All
Chemical Engineering Mcqs
- (A) CO2, O2, CO
- (B) CO, O2, CO2
- (C) CO2, CO, O2
- (D) O2, CO2, CO
- (A) Caking index
- (B) Yield of carbonised products
- (C) Friability & oxygen content
- (D) Calorific value
- (A) Reactivity
- (B) Hardness
- (C) Strength
- (D) None of these
- (A) Burns completely
- (B) Gives smokeless burning
- (C) Shows little or no fusing action
- (D) None of these
- (A) Contains more volatile matter than bituminous coal
- (B) Ignites more easily than bituminous coal
- (C) Is essentially a coking coal
- (D) Burns with short, bluish, yellow-tipped flame producing very little smoke
- (A) Fully
- (B) Partially
- (C) Not at all
- (D) Negligibly
- (A) Bright
- (B) Splint
- (C) Non-banded
- (D) Boghead
- (A) Pneumatically convey the pulverised coal
- (B) Completely burn the volatile matter
- (C) Burn the lumpy coal
- (D) None of these
- (A) 30
- (B) 65
- (C) 120
- (D) 180
