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The process of removal of gases from glass surface is known as ___________

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in Food Packaging Technology by (63.0k points)
The process of removal of gases from glass surface is known as ___________

(a) pressurization

(b) refining

(c) vaporisation

(d) forming

I had been asked this question by my school teacher while I was bunking the class.

The above asked question is from Manufacture of Glass in chapter Glass Packaging Materials of Food Packaging Technology

1 Answer

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Best answer
Right choice is (b) refining

The best explanation: During the refining process, gases (principally CO2, SO2 and water vapor) produced by the chemical reaction rise to the surface of the furnace and are removed. It moves from the furnace into the working end of the furnace (mistakenly called the refiner) where thermal homogenization and cooling of the glass to the viscosity required for the particular operation begin.

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