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For how long is the mold in cement bonded sand mold, allowed to set?

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in Casting-Forming-Welding I by (687k points)
For how long is the mold in cement bonded sand mold, allowed to set?

(a) 24 hours

(b) 48 hours

(c) 72 hours

(d) 96 hours

I got this question in semester exam.

This interesting question is from Types of Molds topic in portion Mold and Mold Making of Casting-Forming-Welding I

1 Answer

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The correct answer is (c) 72 hours

The explanation: The mold in cement bonded sand is allowed to get set, get dry and get cured for about 72 hours before pouring.

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