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Thermal spelling: The breaking or cracking or peeling off the refractory is known as spelling. A good refractory must show a good resistance to thermal spelling. Thermal spelling can be decreased by minimizing the development of internal stress by:
(1) Using refractory with high porosity, good thermal conductivity and low coefficient of expansion.
(2) Avoiding sudden temperature changes.
(3) Proper furnace design
Casting is a manufacturing method by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then permitted to solidify. T
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Distinguish between intrinsic and extrinsic semiconductor. In intrinsic semiconductors, the conduction is because of the intrinsic processes characteristics of the crystal, wit
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Procedure for Procurement of Biological Material: Find out the details for procuring botanical root and stem material and/or zoological material (rat or other mammals) and procuri
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Location and layout : Note the location of the lab with respect to the rest of the building. Is the location satisfactory for efficient functioning? You can study the layout well
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