Which of the following is the approximate thickness (in mm) of the skin of casting formed at the initial of continuous casting process?(a) 1 to 5(b) 10 to 25(c) 25 to 75(d) 75 to 150The question was posed to me in an interview for internship.My enquiry is from Continuous Casting topic in division Special Casting Techniques of Casting-Forming-Welding I

Which of the following is the approximate thickness (in mm) of the ski

1.	Which of the following is the approximate thickness (in mm) of the skin of casting formed at the initial of continuous casting process?(a) 1 to 5(b) 10 to 25(c) 25 to 75(d) 75 to 150The question was posed to me in an interview for internship.My enquiry is from Continuous Casting topic in division Special Casting Techniques of Casting-Forming-Welding I
Answer» The correct OPTION is (B) 10 to 25 Explanation: In CONTINUOUS casting process, the liquid steel is poured into a double-walled, bottomless water-cooled mould where a solid skin is formed quickly and a semi-finished skin emerges from the open mould bottom. The skin formed in the mould is APPROXIMATELY 10 to 25 mm in thickness.

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