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Q. |
Choose the correct option regarding metal- active gas welding? |
A. | not suitable for thin metal sheets |
B. | need to stop welding to change the consumed electrode |
C. | equipment is not expensive |
D. | high deposition rate |
Answer» D. high deposition rate | |
Explanation: gas-shielded metal arc welding is also called metal-active gas welding. the following are some advantages of gas- shielded metal arc welding : (i) suitable for metals as thin as 0.58mm, (ii)all welding positions can be used, (iii) no need to stop welding to change the consumed electrode, (iv)high deposition rates. some disadvantages are : (i)welding equipment is expensive and |
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