- (A) Reactivity
- (B) Porosity
- (C) Bulk density
- (D) Hardness & strength
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- (A) Hydrogen
- (B) Carbon monoxide
- (C) Acetylene
- (D) Methane
- (A) Should have high porosity
- (B) Should be brittle
- (C) Must contain moderate quantities of ash, moisture, sulphur and volatile matters
- (D) Should have low fusion point of its ash
- (A) Only CO
- (B) Both CO and CO2
- (C) Both CO and O2
- (D) All CO, CO2, and O2
- (A) Carbon monoxide
- (B) Hydrocarbons
- (C) Hydrogen
- (D) Oxygen
- (A) CO (upto 65%) & CO2
- (B) CO2 & H2
- (C) CO & O2
- (D) CO2 & O2
- (A) Produce weak coke
- (B) Produce strong coke
- (C) May damage the coke oven walls during carbonisation
- (D) Both
- (A) Non-luminous
- (B) Luminous
- (C) Yellow
- (D) Unburnt gases
- (A) 27.6
- (B) 23
- (C) 47.3
- (D) 42.9
- (A) 200 °F
- (B) 200 °C
- (C) 200 °K
- (D) 200 °R

