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Round grain has higher permeability than angular grains.

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+1 vote
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in Casting-Forming-Welding I by (687k points)
Round grain has higher permeability than angular grains.

(a) True

(b) False

This question was posed to me during an online interview.

I need to ask this question from Molding Sands in chapter Molding and Core Sands of Casting-Forming-Welding I

1 Answer

+1 vote
by (828k points)
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Best answer
Correct choice is (a) True

The best I can explain: Round grains do not have a better bond and possess lesser strength. Round grain has higher permeability than angular strength.

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