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- Diaspore
- Periclase
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High thermal conductivity of a refractory material is not important, when it is to be used in the?
Answer: Option 3 Let'
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Thermal diffusivity of a refractory brick is high, when its __________ is high.?
Answer: Option 3 Let'
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Hot face insulating linings of high purity alumina fused mullite are used, where?
Answer: Option 4 Let'
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Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is?
Answer: Option 1 Let'
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An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is?
Answer: Option 3 Let'
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Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of?
Answer: Option 3 Let'
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Which of the following is not a neutral refractory?
Answer: Option 2 Let'
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Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent.?
Answer: Option 4 Let'
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Which is not a high alumina refractory?
Answer: Option 4 Let'
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