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    When the flow in an open channel is gradually varied, the flow is said to be:

    When the flow in an open channel is gradually varied, the flow is said to be:

    Question

    When the flow in an open channel is gradually varied, the flow is said to be:

    A

    Steady non-uniform flow

    B

    Unsteady uniform flow

    C

    Unsteady non-uniform flow

    D Steady uniform flow Open in App Solution

    The correct option is A Steady non-uniform flow

    Depth of flow changes with distance in gradually varied flow. Hence flow is non-uniform.

    Depth of flow does not change with time at a given location for a given discharge hence flow is steady.

    Suggest Corrections 0

    SIMILAR QUESTIONS

    Q. The bed slope of gradually varied flow in an open channel flow changes from mild to steeper to steep, the type of GVF profile generatedQ. A mild-sloped channel is followed by a steep-slopped channel. The profiles of gradually varied flow in the channel areQ. In a gradually varied flow in a channel the depth of flow and critical depth are

    y and y c , respectively. If E

    is the specific energy and would be

    Q. A channel with a mild slope is followed by a horizontal channel and then by a steep channel. What gradually varied flow profiles will occur?Q. Flow at critical depth takes place in an open channel when

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    स्रोत : byjus.com

    When the flow in an open channel is gradually varied the

    When the flow in an open channel is gradually varied, the flow is said to be a) Steady uniform flow b) Steady non-uniform flow c) Unsteady uniform flow d) Unsteady non-uniform flow

    Examveda

    When the flow in an open channel is gradually varied, the flow is said to be

    A. Steady uniform flow

    B. Steady non-uniform flow

    C. Unsteady uniform flow

    D. Unsteady non-uniform flow

    Answer: Option B

    Click here to read 1000+ Related Questions on Hydraulics and Fluid Mechanics in ME(Mechanical Engineering)

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    Join The Discussion Comments ( 1 )

    Sarveshwer Chandra :

    2 years ago

    Steady non-uniform flow

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    [Solved] Gradually varied flow is

    Explanation: Gradually varied flow is steady non-uniform because the velocity of water remains constant at a specified point, but it changes fro

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    Gradually varied flow is

    This question was previously asked in

    SSC JE CE Previous Year Paper 4 (Held On: 1st March 2017 Evening)

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    steady uniform

    non-steady non-uniform

    non-steady uniform steady non-uniform

    Answer (Detailed Solution Below)

    Option 4 : steady non-uniform

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    Detailed Solution

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    Explanation:

    Gradually varied flow is steady non-uniform because the velocity of water remains constant at a specified point, but it changes from one point to another point.

    The terms steady and uniform are used frequently in engineering, and thus it is important to have a clear understanding of their meanings.

    The term steady implies no change with time. The opposite of steady is unsteady, or transient.

    The term uniform, however, implies no change with location over a specified region.

    Any devices such as turbines, compressors, boilers, condensers, and heat exchangers operate for long periods of time under the same conditions, and they are classified as steady-flow devices. During steady flow, the fluid properties can change from point to point within a device, but at any fixed point, they remain constant.

    Note:

    In the case of a nozzle, the velocity of water remains constant at a specified point, but it changes from the inlet to the exit (water accelerates along with the nozzle which represents the case of steady and non-uniform flow).

    Above figure shows gradually varied flow in a nozzle. You may be tempted to think that acceleration is zero in steady flow since acceleration is the rate of change of velocity with time, and in a steady flow, there is no change with time. Well, a garden hose nozzle will tell us that this understanding is not correct. Even in a steady flow and thus constant mass flow rate, water will accelerate through the nozzle. Steady simply means no change with time at a specified location, but the value of a quantity may change from one location to another.

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