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| Q. |
Which of the following is not used as a flame heating source in fusion splicing? |
| A. | microprocessor torches |
| B. | ox hydric burners |
| C. | electric arc |
| D. | gas burner |
| Answer» D. gas burner | |
| Explanation: micro-plasma torches uses argon and hydrogen and alcohol vapor. the most widely used heating source is an electric arc. thus, gas burner is not used in fusion splicing. | |
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