R

Ram Sharma • 193.86K Points
Coach 

Q. Which of the following accentuates clinker-ing troubles on furnace grate burning coal?

(A) Low reactivity of carbonised residue containing high proportion of iron & sulphur
(B) Low forced draft & fuel bed temperature
(C) Thick firebed and preheated primary air
(D) All of the above
Correct : Option (D)

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