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Permeability of molding sand does not depend on which of the following factors?

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in Casting-Forming-Welding I by (687k points)
Permeability of molding sand does not depend on which of the following factors?

(a) Grain distribution

(b) Degree of ramming

(c) Binder contents

(d) Amount of wax present

This question was posed to me in exam.

My question is from Testing of Molding Sand in division Sand Preparation of Casting-Forming-Welding I

1 Answer

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Best answer
Right choice is (d) Amount of wax present

Explanation: Permeability of molding sand allows the hot gases and steams to escape out. This property does not depend on the amount of wax present.

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