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High refractoriness of a material refers to its __________(a) Slipperyness of the material(b) Chemical strength towards other material(c) Strength to withstand at high temperature(d) Ability to get dissolved in molten metal |
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Answer» The correct option is (c) Strength to withstand at high temperature To explain: Refractoriness is the resistance to self deformation at high working temperatures. A material must possess such property in order to withstand the temperature of molten metal during casting. |
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