Question

The following statements relate to a laminar flow.
1. Laminar flow is rotational.
2. In laminar flow, the loss of head is proportional to the
square of the velocity.
3. In laminar flow, the loss of head is proportional to the first
power of viscosity
The correct statements are:
1 and 2
2 and 3
1 and 3
1, 2 and 3
​

Answer 1

Answer:

1and 3

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Answer 2

The correct statements are 1 and 3.

• Laminar flow is a type of fluid flow in which fluid travels smoothly or in a regular path.
• At low values of the rotational Reynold's number, the flow will be laminar.
• The head loss in the laminar flow is proportional to the velocity of the flow not the square of the velocity.
• Laminar flow is also referred to as streamline or viscous flow. It occurs typically at lower speeds and fluid flows without lateral mixing.