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Pit Furnace is used in ___________

(a) Permanent mould

(b) Shell mould

(c) Skin dried mould

(d) Air dried mould

The question was asked by my school principal while I was bunking the class.

My enquiry is from Gas Fired Pit Furnace topic in chapter Melting Furnaces of Foundry and Forging

1 Answer

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Best answer
The correct answer is (a) Permanent mould

Explanation: Pit furnace has a limited capacity. It is used to melt a certain low amount of metal to produce castings. Only small castings can be produced. Hence, it is often used with permanent moulds and die casting machines.

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