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The filler gas used in wine cans is _______

(a) O2

(b) He

(c) CO2

(d) N2

I have been asked this question in an interview.

This question is from Food Packaging Materials topic in section Food Packaging Materials, Packaging Standards and Regulation Laws of Food Packaging Technology

1 Answer

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Best answer
Right choice is (d) N2

The explanation is: The filler gas used in wine cans is N2. It is necessary to increase the internal pressure in the cans to prevent collapse. Internal pressure is approximately 170kPa.

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