Discussion
A clinker has a lime saturation factor of 98 and free lime of 2.5 per cent. If a target free lime of 1 per cent is wanted, the most likely first correction is to
Answer: A
A high factor means more lime than the silica can combine with, so the excess remains free. Lowering it brings the two into balance, though better burning or a finer meal could also help. Raw mix, meal fineness and burning are all levers on the same figure.
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