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Which of the following is the main purpose of using permanent mould casting?(a) Variety in production(b) Production of castings with complexities(c) Large scale production(d) Production of highly expensive castingsThe question was asked in an interview for internship.This interesting question is from Permanent Mould Casting topic in chapter Special Casting Techniques of Casting-Forming-Welding I |
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Answer» CORRECT answer is (c) Large SCALE production To explain I would say: Making a mould for every casting to be produced may be difficult and EXPENSIVE for the large scale production. THEREFORE, a permanent mould, called die may be made from which a large number of castings, anywhere between 100 to 250,000 can be produced easily, depending on the complexity and alloy used for the casting. |
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