At low Reynolds number______________?

Byadmin March 10, 2019August 27, 2021

At low Reynolds number______________?

A. Viscous forces are unimportant
B. Viscous forces control
C. Viscous forces control and inertial forces are unimportant
D. Gravity forces control

Fluid Mechanics for Chemical

Capillary tube method of viscosity measurement is based on the ________________?

Capillary tube method of viscosity measurement is based on the ________________?

A. Hagen-Poiseuille’s equation
B. Stoke’s law
C. Navier-stokes equation
D. None of these

Read More Capillary tube method of viscosity measurement is based on the ________________?
Fluid Mechanics for Chemical

With increase in molecular weight of the gas, the head developed by a centrifugal compressor will________________?

With increase in molecular weight of the gas, the head developed by a centrifugal compressor will________________?

A. Decrease
B. Increase
C. Remain same
D. Unpredictable

Read More With increase in molecular weight of the gas, the head developed by a centrifugal compressor will________________?
Fluid Mechanics for Chemical

A floating/submerged body is always stable, if its centre of gravity___________________?

A floating/submerged body is always stable, if its centre of gravity___________________?

A. Lies above its centre of buoyancy
B. And centre of buoyancy coincide
C. Lies below its centre of buoyancy
D. Lies above its metacentre

Read More A floating/submerged body is always stable, if its centre of gravity___________________?
Fluid Mechanics for Chemical

The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?

The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?

A. Hyperbola
B. Parabola
C. Semi-circle
D. Semi-ellipse

Read More The velocity profile exhibited by laminar flow of Newtonian fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an ______________ with the apex at the centre line of the pipe?
Fluid Mechanics for Chemical

The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?

The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?

A. V2
B. 1/V2
C. 1/V
D. V

Read More The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?
Fluid Mechanics for Chemical

The dimension of dynamic viscosity is__________________?

The dimension of dynamic viscosity is__________________?

A. ML-1T-1
B. L2T-1
C. LT-2
D. ML-1T-2

Read More The dimension of dynamic viscosity is__________________?

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