Machine-translated by Google. Questions are authored in English.
Top

Discussion

The float process forms flat glass by

  • A.floating a ribbon on molten tin
  • B.drawing a sheet vertically from the melt
  • C.rolling it between water-cooled rolls
  • D.casting into moulds and grinding it flat

Answer: A

Both surfaces come out flat and parallel with no grinding, which is what made the process transform the industry. Tin is used because it is dense, melts low and does not react with the glass. The ribbon is drawn off the far end of the bath.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.