Practice mode Water Management

For a given cross-sectional area and bed slope, when is a channel said to have the most economical section?

Correct answer D. All of these

Explanation

Minimising the wetted perimeter reduces friction, which maximises discharge for the given area and slope and also cuts lining and excavation costs, so all the statements apply.

Report a problem

Answer checked 11 October 2026 How we write and check questions

Tip: press A, B, C or D to answer, and N for the next question.

For a given cross-sectional area and bed slope, when is a channel said to have the most economical section?

Discussion

Have a question about this answer? Cancel reply

For a given cross-sectional area and bed slope, when is a channel said to have the most economical section?

More Water Management questions

By how much does the total energy line lie above the hydraulic gradient line?

Which expression gives the discharge over a rectangular notch?

For an ideal incompressible liquid in continuous flow, the total energy of a particle stays constant as it moves from one point to another. What is this statement called?

What is flow in which each liquid particle follows a definite path called?

Discussion

Have a question about this answer? Cancel reply