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GATE 2023 FLUID MECHANICS 24

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Question 1

Assertion (A) : A minor change in specific energy at or close to critical state will cause a major change in depth.

Reason (R) : A critical state of flow is characterized by its Froude number being equal to unity.

Question 2

It is most appropriate to say that uniform flow in an open-channel occurs when there is a balance between

Question 3

The given table show the specific energy of flow E at various depths of flow, y

The unit discharge is nearly

Question 4

If y1 and y2 are depths upstream and downstream of a hydraulic jump respectively, the loss of energy due to hydraulic jump is

Question 5

When a flow profile changes from subcritical to supercritical flow, critical depth act as a control point.

. The water surface profile resulting from flow underneath the gate in figure is

Question 6

The normal depth in a wide rectangular channel is increased by 10%. The percentage increase in the discharge in the channel is:
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Oct 11ESE & GATE CE