Tunnel kilns are usually used for

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Ram Sharma

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📊 Furnace Technology

Q. Tunnel kilns are usually used for

(A) Roasting of pyrites
(B) Melting of glass
(C) Drying/tempering of refractories
(D) Reheating of slabs

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✅ Correct Answer: (C) Drying/tempering of refractories

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