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The grain direction is known as the machine direction (MD), while the cross direction (CD) is the direction of the paper at right angles to the MD.

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in Food Packaging Technology by (63.0k points)
The grain direction is known as the machine direction (MD), while the cross direction (CD) is the direction of the paper at right angles to the MD.

(a) True

(b) False

I have been asked this question in examination.

Origin of the question is Paper Making topic in division Paper and Paper Based Packaging Materials of Food Packaging Technology

1 Answer

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by (194k points)
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Best answer
Correct option is (a) True

Easy explanation: The given statement is true. The grain direction is known as the machine direction (MD), while the cross direction (CD) is the direction of the paper at right angles to the MD. The grain of paper must be taken into account in measuring all physical properties. Most of the physical properties of paper depend on direction, that is, the MD, CD and thickness direction (z-direction).

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