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Refractory material of good thermal cond...

Refractory material of good thermal conductivity is used in

A

blast furnace

B

muffle furnace

C

reverberatory furnace

D

open hearth furnace.

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The correct Answer is:
A
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Brain Teasers -35
  1. Refractory material of good thermal conductivity is used in

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