Question

When So > 0 and Yn < Yc, it is called as_______

(a) Adverse

(b) Horizontal

(c) Critical

(d) Steep

I have been asked this question in an interview for internship.

My doubt is from Relation between Water Surface Slopes and Channel Bottom Slopes in division Non Uniform Flow in Channels of Fluid Mechanics

Answer 1

The correct option is (d) Steep

Explanation: When the slopes have a condition of So > 0 and Yn < Yc, it is called as steep slope. It is denoted as ‘S’. Steep slope is classified into three zones. These zone are differentiated depending on their conditions and properties.