Which of the following is NOT an example of laminar flow? Fluid Mechanics
Answer: smoke twisting as it moves upward from a fire
No Explanation Available.
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Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is
The flow in a pipe is laminar when Reynold number is
How can we determine whether the flow is laminar or turbulent?
For laminar flow through a closed conduit
The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
In one dimensional flow, the flow
Bernoulli's equation cannot be used for flow of water in river because the flow is
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity.(II) Newton's second law of motion. (III) The continuity equation.(IV) Velocity of boundary layer must be zero relative to boundary.(V) Fluid cannot penetrate a boundary.
Which of the following is used for very accurate measurement of flow of gas at low velocity?
The type of flow in which velocity at any given time does not change with respect to space is
Which Force is equal to the product of shear stress due to viscosity and surface area of the flow?
Calculate the discharge through the venturimeter which is used to measure the flow of water if the area at inlet and throat are 706.85 cm2 and 176.7cm2 and difference of pressure head is 252m of water.
What are the ways that water can flow that we discussed in class (check all that apply)?
A ____________________ is a material that can flow and take the shape of its container.
The rate of change of velocity due to change of position of fluid particles in a fluid flow is called as
The device used for measuring the velocity of flow at any point in a pipe or channel is
The velocity vector in a fluid flow is given by, V=4x3i-10x2yj+2tk.Find the velocity vector of a fluid particle at (2,1,3) at t=1
For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance).
Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as