McqMate
Q. |
uses flame hydrolysis stems from work on soot processes which were used to prepare the fiber with losses below 20 dB/km. |
A. | outside vapor phase oxidation |
B. | chemical vapor deposition |
C. | liquid phase melting |
D. | crystallization |
Answer» A. outside vapor phase oxidation | |
Explanation: outside vapor phase oxidation is a type of vapor flame hydrolysis. it was originally developed by hyde. in this process, the glass composition is deposited from a ‘soot’ generated by hydrolyzing the halide vapors in an oxygen-hydrogen flame. |
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