Identify the INCORRECT statement with respect to different types of pipe flow.

The fluid characteristics like velocity, density and pressure at a point do not change with time in case of steady flow.

The flow in a circular pipe is categorized as laminar when the Reynolds number for the flow is less than 4000.

The velocity of the flow at any given time does not change with respect to space in case of uniform flow.

The type of flow in which the fluid particles move along a well-defined streamline or math’s such that all the streamlines are straight and parallel to each other is known as laminar flow.

Solution

Correct option is B

In reality, the flow in a circular pipe is generally considered laminar at Reynolds numbers less than about 2000, not 4000.Above this range, the flow transitions to turbulent.

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Identify the INCORRECT statement with respect to different types of pipe flow.

The fluid characteristics like velocity, density and pressure at a point do not change with time in case of steady flow.

The flow in a circular pipe is categorized as laminar when the Reynolds number for the flow is less than 4000.

The velocity of the flow at any given time does not change with respect to space in case of uniform flow.

The type of flow in which the fluid particles move along a well-defined streamline or math’s such that all the streamlines are straight and parallel to each other is known as laminar flow.

Correct option is B

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