1640Chemical EngineeringMedium
Which of the following would require least amount of secondary air for combustion?
AAnthracite containing 10% volatile matter and 8% ash
BBituminous coal containing 20% ash and 25% volatile matter
CCoke breeze containing 25% ash and 2% volatile matter
DSemi-bituminous coal containing 25% ash and 20% volatile matter
Correct answer
C. Coke breeze containing 25% ash and 2% volatile matter
Explanation
The correct answer is Coke breeze containing 25% ash and 2% volatile matter.