Equivalent length of a pipe fitting is____________________?

Byadmin March 9, 2019August 26, 2021

Equivalent length of a pipe fitting is____________________?

A. Dependent on Reynolds number
B. Independent of Reynolds number
C. Dependent on the length of the pipe
D. None of these

Fluid Mechanics for Chemical

When the pipe Reynold’s number is 6000, the flow is generally___________________?

When the pipe Reynold’s number is 6000, the flow is generally___________________?

A. Viscous
B. Laminar
C. Turbulent
D. Transition

Read More When the pipe Reynold’s number is 6000, the flow is generally___________________?
Fluid Mechanics for Chemical

For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?

For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?

A. μ
B. 1/μ
C. √μ
D. 1/√μ

Read More For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?
Fluid Mechanics for Chemical

Shear stress in a fluid flowing in a round pipe_________________?

Shear stress in a fluid flowing in a round pipe_________________?

A. Varies parabolically across the cross-section
B. Remains constant over the cross-section
C. Is zero at the centre and varies linearly with the radius
D. Is zero at the wall and increases linearly to the centre

Read More Shear stress in a fluid flowing in a round pipe_________________?
Fluid Mechanics for Chemical

If the discharge of a centrifugal pump is throttled, then its suction lift_______________________?

If the discharge of a centrifugal pump is throttled, then its suction lift_______________________?

A. Increases
B. Decreases
C. Remains unchanged
D. Data insufficient to predict

Read More If the discharge of a centrifugal pump is throttled, then its suction lift_______________________?
Fluid Mechanics for Chemical

Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) ?

Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) ?

A. √d
B. d2/3
C. d4/5
D. d1/3

Read More Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) ?
Fluid Mechanics for Chemical

The maximum discharge through a circular channel takes place, when the depth of the fluid flow is ______________ times the pipe diameter?

The maximum discharge through a circular channel takes place, when the depth of the fluid flow is ______________ times the pipe diameter?

A. 0.25
B. 0.5
C. 0.66
D. 0.95

Read More The maximum discharge through a circular channel takes place, when the depth of the fluid flow is ______________ times the pipe diameter?

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