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Paper has a definite caused by the greater orientation of fibers.

(a) Yield

(b) Strain

(c) Stretch

(d) Grain

I had been asked this question during an online interview.

I would like to ask this question from Paper Making topic in chapter Paper and Paper Based Packaging Materials of Food Packaging Technology

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Correct answer is (d) Grain

For explanation: Paper has a definite grain caused by the greater orientation of fibers, in the direction of travel of the paper machine, and the greater strength orientation that results partly from the greater fiber alignment and partly from the greater tension exerted on the paper in this direction during drying.

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