MCQOPTIONS
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| 1. |
For a mechanical seal which is the normal leakage rate? |
| A. | t30-50 drops of seal water/min |
| B. | t40-60 drops of seal water/min |
| C. | t20-40 drops of seal water/min |
| D. | t20-60 drops of seal water/min |
| Answer» E. | |