In a horizontal pipe, water flows through a narrow section. Compared with the wider section, the speed of water in the narrow section is

Options

  • A. Lower
  • B. Higher
  • C. The same in all cases
  • D. Zero
  • E. Unpredictable from the given conditions

Correct Answer (Detailed Explanation is Below)

B. Higher

Detailed Explanation

For steady incompressible flow, the continuity equation Av = constant applies. A smaller cross-sectional area therefore corresponds to greater flow speed.