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How high can solidification rate factor be increased by metal chills?

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in Casting-Forming-Welding I by (687k points)
How high can solidification rate factor be increased by metal chills?

(a) 12

(b) 13

(c) 14

(d) 15

I had been asked this question in an online interview.

My doubt is from Functions of a Riser in division Pattern and Mould, Principles of Gating & Risering of Casting-Forming-Welding I

1 Answer

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by (828k points)
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Best answer
Right choice is (c) 14

Easy explanation: The solidification rate can be increased by a factor as high as 14, relative to that which is obtained in sand molds, by metal chills.

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