MCQOPTIONS
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| 1. |
In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D‚ÇÅ and D‚ÇÇ are I.D. of inner and outer pipes)$? |
| A. | (D₂² - D₁²)/D₁² |
| B. | D‚ÇÇ - D‚ÇÅ |
| C. | (D₂² - D₁²)/D₂² |
| D. | None of these |
| Answer» B. D‚Äö√á√á - D‚Äö√á√Ö | |