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| Q. |
Which of the following can be non-low hydrogen process? |
| A. | shielded metal arc welding |
| B. | submerged arc welding |
| C. | gas-shielded metal arc welding |
| D. | flux core arc welding |
| Answer» A. shielded metal arc welding | |
| Explanation: shielded metal arc welding can be a low hydrogen process or non-low hydrogen process, while submerged arc welding, gas-shielded metal arc welding, flux core arc welding are low hydrogen process. | |
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