InterviewSolution
Saved Bookmarks
| 1. |
An ideal liquid of density p is pumped steadily through a tube of radius r at a speed v. The least power of engine required to maintain this flow rate is |
|
Answer» We know that volume rate = Av Volume rate = πr2v dm = πr2v\(\rho\) Power rate = \(\frac12mv^2\) = \(\frac12\)πr2v3\(\rho\) |
|