IMSO 2019 Science International - Theory I Question 23

Question 23

A full pipe has a non-uniform cross-section: its diameter at X is larger than at Y. Water flows steadily through it. Which statement is correct?

1. In the same time, more water passes X than Y
2. In the same time, less water passes X than Y
3. Water speed at X is greater than at Y
4. Water speed at X is smaller than at Y