Q. Which of these is a refractory powder used in ceramic mold casting?

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Q. Lost wax process is used for making items of ___________

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Q. Permanent mold casting is otherwise known as _____________

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Q. Centrifugal casting is used for making _________

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Q. How can cracks in casting be avoided?

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Q. In powder metallurgy, how is the powder for brittle materials prepared?

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Q. What is the disadvantage of atomization?

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Q. Electrolysis usually used for materials like _________

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Q. In gravity compaction, the die is made of _________

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Q. Sintering is performed ___________

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Q. For cemented carbide cutting tools, the compact is heated at __________

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Q. _________ is the process done to reduce the void space in the sintered part.

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Q. Impregnation of sintered parts is usually done for _________

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Q. The size of pig iron is _________ (in inches).

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Q. How much carbon does pig iron contain?

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Q. Why is sulfur in pig iron kept low?

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Q. How much manganese does ferromanganese contain?

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Q. The smelting zone of the furnace is called as _________

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Q. Which is the iron ore processed in blast furnaces?

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Q. _____________ is a flux used in iron smelting.

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