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Prateek Asked :

23-05-2021 Pattern Design

Q. The preferred shape of a runner in a sand casting is ___________

A. Cylindrical
B. Spherical
C. Rectangular
D. Trapezoidal

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Dapzoi Verified
Commented on 2021-05-23 12:49:59 (IST)
Answer: D
Explanation: Trapezoidal runner is most preferable in sound sand casting as it provides good flow with less distortion or splattering of molten metal.