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Question
Which is not the correct statement about moisture in coal ______________________?
Options:
A .  inherent moisture and surface mois¬ture are different things
B .  in some coals moisture may be present upto 40%
C .  some moisture in coal helps in better burning which is not possible with completely dry coal
D .  it increases thermal efficiency
E .  moisture in coal is removed before firing by heating it with hot air
Answer: Option D
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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