Cores are used to Options: A . &nbspForm internal cavities in the casting B . &nbspImprove mould surface C . &nbspForm a part of a green sand mould D . &nbspAll of these

Cores are used to

Question

Cores are used to

Options:

A . Form internal cavities in the casting

B . Improve mould surface

C . Form a part of a green sand mould

D . All of these

Answer: Option D

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