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Spelling resistance: 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.
the full reaction mechanism for production of acetic acid from feed of ethylene via wacker process with acetaldehyde as an intermediate
What are the main sources of electrical resistance in a metal? The factors that affect the electrical resistance of a metal are impurity, temperature and alloying. The free mea
power requaired calculation example.
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One cubic metre of wet soil weighs 19.80 kN. If the exact gravity of soil particles is 2.70 and water content is 11%, Determine the void ratio, dry density and degree of saturat
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how long time required to make vinegar by vinagar process
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