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Q. |
Which of the following operations is known as 'sweating' |
A. | Tinning the two surfaces to be joined, applying flux and heating |
B. | Heating two surfaces to be joined, to the high temperature in presence of flux |
C. | Heating two surfaces at low temperature |
D. | Joining of two surfaces without use of flux |
E. | None of the above |
Answer» A. Tinning the two surfaces to be joined, applying flux and heating |
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