As the grain size of a meal increases, its ductility ______

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RRB Paper · Accepted Answer

As the grain size of a meal increases, its ductility decrease. The smaller the grain size, the more the number of grain boundaries, thus more is yield strength, thus more is ductility. So, as grain size increases, its ductility decreases.

As the grain size of a meal increases, its ductility ______

Decreases

Increases

Remains constant

No effect of grain size on ductility

The correct answer is `No. 1: Decreases`

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As the grain size of a meal increases, its ductility ______

Decreases

Increases

Remains constant

No effect of grain size on ductility

The correct answer is No. 1: Decreases

The correct answer is `No. 1: Decreases`