Q. Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is (Solved)
1. less than d
2. between d and 1.5 d
3. between 1.5 d and 2d
4. greater than 2d
- a. less than d
1. less than d
2. between d and 1.5 d
3. between 1.5 d and 2d
4. greater than 2d