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Q: If the angle between fusion faces ranges from 60º to 90º, then the ratio of throat thickness to effective throat thickness would be
  • A. 0.7
  • B. 0.65
  • C. 0.6
  • D. 0.55
Correct Answer: Option A - See the above explanation.
A. See the above explanation.

Explanations:

See the above explanation.