Q.

Which of the following is not a technique for fabrication of glass fibers?

A. vapor phase oxidation method
B. direct melt method
C. lave ring method
D. chemical vapor deposition technique
Answer» C. lave ring method
Explanation: lave ring method refers to the deposition of a crystalline layer on a substrate. all the other methods, except lave ring method, refer to optical fiber fabrication.
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