Which of the following is not the advantage of using the permanent mould casting method?(a) Mould can be used again and again(b) Good thermal conductivity of mould(c) Very complex shapes of casting can be produced(d) Low cost processThe question was asked during an internship interview.The origin of the question is Advantages and Disadvantages of Casting in portion Casting Process of Casting-Forming-Welding II

Which of the following is not the advantage of using the permanent mou

1.	Which of the following is not the advantage of using the permanent mould casting method?(a) Mould can be used again and again(b) Good thermal conductivity of mould(c) Very complex shapes of casting can be produced(d) Low cost processThe question was asked during an internship interview.The origin of the question is Advantages and Disadvantages of Casting in portion Casting Process of Casting-Forming-Welding II
Answer» Correct ANSWER is (C) Very COMPLEX shapes of casting can be produced To explain I WOULD say: In permanent mould casting method, a metallic mould is used which can be used again and again, and it has good THERMAL conductivity too. But this method is not appropriate for producing very complex shapes of castings. For complex shapes casting, the investment casting method is mainly preferred which can produce high extent of complexities in the casting components.

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