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Why large or complex castings require multiple in-gates?(a) To make smooth surface finish of the casting(b) To make uniform flow(c) To have high strength of the casting(d) To have good toughness of the casting |
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Answer» Correct answer is (b) To make uniform flow To explain: Large or complex castings require multiple in-gates to completely fill all the sections of the castings effectively. Runner area is also reduced after each in-gate, such that restriction on the metal flow would be provided to make more uniformity in the metal flow. |
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