MCQOPTIONS
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| 1. |
Which of the following operations is known as ‘sweating’? |
| A. | Tinning 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 |
| Answer» C. Heating two surfaces at low temperature | |