Deformation drag, which is caused by widespread deformation of fluid around the immersed body?

Occurs when NRe is very small
Is primarily a friction drag
Is independent of body length
Depends mainly on cross-sectional shape

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

Let'

4 views Answered 2022-09-01 13:21

Related Questions

Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called?

1 Answers 4 Views

When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.?

1 Answers 5 Views

The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)?

1 Answers 5 Views

The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)?

1 Answers 5 Views

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)?

1 Answers 4 Views

As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity)?

1 Answers 5 Views

In which of the following the friction drag is generally larger than pressure drag?

1 Answers 5 Views

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.?

1 Answers 5 Views

In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?

1 Answers 5 Views

In which of the following body shapes, the pressure drag is large compared to the friction drag?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)