MCQOPTIONS
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MCQOPTIONS
| 1. |
At what temperature is film stretching done? |
| A. | Room temperature |
| B. | Melting point of polymer |
| C. | 100<sup>o</sup>c |
| D. | 200<sup>o</sup>c |
| Answer» C. 100<sup>o</sup>c | |