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The sand has to undergo ____________ process before it is called green and is ready for molding.

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in Foundry and Forging by (110k points)
The sand has to undergo ____________ process before it is called green and is ready for molding.

(a) Mulling

(b) Cooling

(c) Heating

(d) Drying

The question was posed to me during an online exam.

Asked question is from Green Sand Moulding in division Moulding Machines & Special Moulding Processes of Foundry and Forging

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Best answer
The correct choice is (a) Mulling

Explanation: The green sand, before being called green has to undergo a process called mulling process in which the clay, binders and various additives are blended together to make it suitable for its usage.

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