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

Cores are used to

Question

Cores are used to

Options:

A . Form internal cavities in the casting

B . All of these

C . Improve mould surface

D . Form a part of a green sand mould

Answer: Option B

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