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Modulus method can be used for determining the dimensions of the riser.

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in Casting-Forming-Welding I by (687k points)
Modulus method can be used for determining the dimensions of the riser.

(a) True

(b) False

The question was posed to me in an internship interview.

My question is taken from Riser Design in chapter Pattern and Mould, Principles of Gating & Risering of Casting-Forming-Welding I

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Right choice is (a) True

Explanation: Yes, Modulus method can be used for determining height and diameter of the riser. In this method, we find modulus of casting and riser which is the ratio of volume and area. The ratio of modulus of the riser to that of casting is 1.2, and the ratio of riser height to its diameter is 1.5. By using these two equations dimension of the riser is estimated.

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