Test: Open Channel Flow Level - 1 - Civil Engineering (CE) MCQ

The Chezy’s coefficient

A triangular channel section is most economical when each of its sloping sides is inclined to the vertical at an angle of

For any channel section, the specific energy increases with

(i) increase in depth of sub-critical flow

(ii) increase in depth of super-critical flow

(iii) decrease in depth of sub-critical flow

(iv) decrease in depth of super-critical flow

The correct answer is

Froude number is the ratio of inertia force to

Which of the following Froude number range indicates a weak jump?

For a steep slope profile S1 , the type of flow will be

For a given specific energy E, the critical depth YC for a rectangular channel is given

The critical state of flow in a non-rectangular channel is expressed by

The height of hydraulic jump is equal to

The flow characteristic of a channel does not charge with time at any point. What type of flow is it?

If the specific energy at the upstream section of a rectangular channel is 3 m and minimum specific energy is 2.5 m the maximum height of hump without causing afflux will be

When the slope of bottom of a channel rises in the direction of flow, it is called

If F₁ and F₂ are the Froude numbers of flow before and after the hydraulic jump occuring in a rectangular channel, and y₁ and y₂ is a depth of flow before and after the hydraulic jump, then

A rectangular channel is 4 m wide and 2.5 m deep water is flowing in the channel for a depth of 2.1 m. The hydraulic radius is

For a maximum discharge in a circular channel section, the ratio of the depth of flow to that of diameter of the channel is

For maximum velocity in a circular channel section the ratio of the depth of flow to that of diameter of the channel is

The depth of flow for maximum velocity in a circular channel section with diameter equal to 2.5 m is