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GATE CE 2020: Fluid Mechanics Quiz 6
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Question 1
The following statements are related to a laminar flow occurring in a circular conduit. Which one of the following statement is INCORRECT?
Question 2
The thickness of boundary layer for a laminar flow and turbulent flow is given by
Question 3
In case of steady uniform laminar flow through pipes,Discharge (Q) is equal to
Question 4
Consider the following statements in respect of steady laminar flow through a circular pipe:
1) Shear stress is zero on the central axis of the pipe.
2) Discharge varies directly with the viscosity of the fluid.
3) Velocity is maximum at the centre of the pipe.
4) Hydraulic gradient varies as the square of the mean velocity of flow.
Which of these statements are correct?
1) Shear stress is zero on the central axis of the pipe.
2) Discharge varies directly with the viscosity of the fluid.
3) Velocity is maximum at the centre of the pipe.
4) Hydraulic gradient varies as the square of the mean velocity of flow.
Which of these statements are correct?
Question 5
For laminar flow through a round pipe, the shear stress ___________.
Question 6
Consider the following with respect to the application of the Navier-Stokes equations:
1) Laminar flow in circular pipes
2) Laminar flow between concentric rotating cylinders
3) Laminar unidirectional flow between stationary parallel plates
4) Laminar unidirectional flow between parallel plates having relative motion
Which of these statements is/are correct?
1) Laminar flow in circular pipes
2) Laminar flow between concentric rotating cylinders
3) Laminar unidirectional flow between stationary parallel plates
4) Laminar unidirectional flow between parallel plates having relative motion
Which of these statements is/are correct?
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