MCQOPTIONS
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| 1. |
What do you understand by Rfo and Rfi? |
| A. | Dirt factor and Fouling factor |
| B. | Inner Tube outer surface fouling factor and inner surface fouling factor |
| C. | Inner Tube outer surface fouling factor and inner surface fouling factor |
| D. | Inner Tube outer surface fouling factor and Annulus tube inner surface fouling factor |
| Answer» C. | |