In Nobake moulding process, the chemical process of hardening of binder starts when ___________(a) The sand is poured into the mixture(b) The sand is taken out of the mixture(c) The mixture is poured into the moulding flask(d) When the molten metal is poured into the cavity

In Nobake moulding process, the chemical process of hardening of binde

1.	In Nobake moulding process, the chemical process of hardening of binder starts when ___________(a) The sand is poured into the mixture(b) The sand is taken out of the mixture(c) The mixture is poured into the moulding flask(d) When the molten metal is poured into the cavity
Answer» The correct choice is (b) The sand is taken out of the mixture The explanation is: A mixture is used to blend the sand with chemical binder. The chemical hardening starts when this sand exits the mixture.

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In Nobake moulding process, the chemical process of hardening of binder starts when ___________(a) The sand is poured into the mixture(b) The sand is taken out of the mixture(c) The mixture is poured into the moulding flask(d) When the molten metal is poured into the cavity

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