Which of the following is the drawback of using the sand casting process?(a) Limited alloys(b) Expensive mould(c) Uneconomical for low quantities(d) Labour intensiveThis question was addressed to me in final exam.Query is from Advantages and Disadvantages of Casting topic in portion Casting Process of Casting-Forming-Welding II

Which of the following is the drawback of using the sand casting proce

1.	Which of the following is the drawback of using the sand casting process?(a) Limited alloys(b) Expensive mould(c) Uneconomical for low quantities(d) Labour intensiveThis question was addressed to me in final exam.Query is from Advantages and Disadvantages of Casting topic in portion Casting Process of Casting-Forming-Welding II
Answer» Correct CHOICE is (d) Labour intensive Best explanation: In sand casting process, the sand is rammed by using the rammer and then the cope and drag box are used as a moulding box to prepare the mould. In this process, much of time is spent and it requires too much labour work. So this METHOD is NORMALLY used for small scale production for producing small size CASTINGS.

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