101. Dolomite bricks have good resistance to attack by
102. Mullite is chemically represented by
103. Chrome magnesite is not used in the
104. Magnesite bricks are used in those parts of furnaces, which are
105. Silicon carbide refractories are used in the
106. Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to
107. To resist spalling tendency, a refractory should have
108. Refractory materials are never used in the construction of
109. Refractoriness under load (RUL) is the most important property for the refractory bricks
110. Carbon refractories are exclusively used in the
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