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CFD can be used to understand the flow behaviour of liquid metal during mould filling. This can be used to ____________

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CFD can be used to understand the flow behaviour of liquid metal during mould filling. This can be used to ____________

(a) Change the mould according to fluid flow

(b) Choose the best metal

(c) Improve casting techniques

(d) Change temperature

The question was asked during an interview for a job.

My question is from Applications in chapter Philosophy of Computational Fluid Dynamics of Computational Fluid Dynamics

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The correct option is (c) Improve casting techniques

The explanation: The mould cannot be changed according to fluid flow. It should have the shape of the product needed. Choosing the metal depends upon the application and structural concern. The temperature change may affect the quality of the product. By knowing the flow pattern, casting techniques can be improved.

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