An oil of kinematic viscosity of 0.5 stokes flows through a pipe of 20 – McqOptions

MCQOPTIONS

1.	An oil of kinematic viscosity of 0.5 stokes flows through a pipe of 20 cm diameter. What is the velocity if the flow is critical?
A.	0.5 m/s
B.	0.9 m/s
C.	1.5 m/s
D.	2 m/s
Answer» B. 0.9 m/s

Discussion

No Comment Found

Related MCQs

If the laminar flow of the fluid having the viscosity μ is flowing through the pipe of the diameter D. Pressure gradient in the flow is \(\left( { - \frac{{\partial p}}{{\partial x}}} \right)\).What is the average velocity of flow? .
Consider steady laminar incompressible axi-symmetric fully developed viscous flow through a straight circular pipe of constant cross-sectional area at a Reynolds number of 5. The ratio of inertia force to viscous force on a fluid particle is
A centrifugal pump has the following specifications 0.15 m diameter, 100 m long pipe with velocity of water 2.26 m/s. and friction coefficient 0.015. what is the frictional head loss?
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be ________.
Maximum velocity in fully developed laminar pipe flow is
Laminar flow takes place in a circular tube. At what distance from the boundary does the local velocity equal the average velocity?
Friction factor for laminar flow in a pipe is given by
If the Reynold number is less than 2000 for a pipe flow, the flow is said to be:
Identify the incorrect option regarding laminar flow in a pipe of diameter D.
Oil (SG = 0.9, Dynamic viscosity = 1 Poise) is flowing with a mean velocity of 1 m/s between two fixed parallel plates which are 1 cm apart. What will be shear stress at the surface of the plate?