MCQOPTIONS
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| 1. |
In an arc welding process, the voltage and current are 25 V and 300 A respectively. The arc heat transfer efficiency is 0.85 and welding speed is 8 mm/s. The net heat input (in J/mm) is |
| A. | 64 |
| B. | 797 |
| C. | 1103 |
| D. | 79700 |
| Answer» C. 1103 | |