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Large particles in soil increase the chances of imperfection and brittle failure.

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in Casting-Forming-Welding I by (687k points)
Large particles in soil increase the chances of imperfection and brittle failure.

(a) True

(b) False

This question was posed to me in exam.

My question comes from Grain Size and Shape in chapter Molding and Core Sands of Casting-Forming-Welding I

1 Answer

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Right answer is (a) True

Explanation: The Large particles in soil increase the chances of imperfections and brittle failure. Reversely, smaller particles are strengthened by the decrease in imperfections. This makes the failure advantageous that occurs due to the presence of cleavage at the crystal planes. High cooperating conditions increases the breaking of extended particles and shear abrasion.

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