| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Hardy Cross method - Example |  |  |  |
| 3 | Loop 1-2-3 | Q12 | Q13 | Q23 |
| 4 | Head loss = | 25 | 125 | 0 |
| 5 | Direction | Clockwise | Counter-clockwise | Clockwise |

Question: In the wikipedia Hardy Cross method example's loop 1-2-3, what are the clockwise and counter-clockwise head loss sums?
Answer: For loop 1-2-3, the sum of the clockwise head losses is 25 and the sum of the counter-clockwise head losses is 125.