MCQOPTIONS
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MCQOPTIONS
| 1. |
When machining Ti, in Nacl electrolyte, what values of current efficiencies are obtained? |
| A. | 10 – 20 % |
| B. | 20 – 30 % |
| C. | 30 – 50 % |
| D. | 50 – 80 % |
| Answer» B. 20 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 30 % | |