Q437
Which of the following would require least amount of secondary air for combustion?
A.
Coke breeze containing 25% ash and 2% volatile matter
AnswerB.
Anthracite containing 10% volatile matter and 8% ash
C.
Bituminous coal containing 20% ash and 25% volatile matter
D.
Semi-bituminous coal containing 25% ash and 20% volatile matter
Answer: Option A
Solution
Answer: Option A
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