- (A) N2
- (B) CO
- (C) CO2
- (D) H2
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- (A) Caking
- (B) Pulverised
- (C) Non-caking
- (D) High ash
- (A) Moving
- (B) Fixed
- (C) Fluidised
- (D) Entrained
- (A) Its pulverisation (as it requires more power)
- (B) Combustion of fire slacks on the grates
- (C) Handling (e.g. when emptying wagons)
- (D) None of these
- (A) Uranium
- (B) Plutonium
- (C) Radium
- (D) None of these
- (A) 5000
- (B) 25,000
- (C) 10,000
- (D) 15,000
- (A) Calorific value
- (B) Higher C/H ratio
- (C) Sulphur content
- (D) Difference in gross & net calorific value
- (A) Decrease in its caking power & calorific value
- (B) Decrease in its carbon & hydrogen content
- (C) Increase in its oxygen content
- (D) All
- (A) May damage its walls due to abrupt excessive swelling of coal
- (B) Produces larger size coke
- (C) Increases the time of carbonisation
- (D) None of these
- (A) Provides better control of furnace temperature
- (B) Facilitates combustion with lower excess air
- (C) Provides higher thermal efficiency & flame temperature
- (D) All
