Fluid Mechanics MCQ Questions & Answers | Chemical Engineering

A. Turbulent flow

B. Laminar flow through an open channel

C. Steady flow

D. None of these

A. Has to be kept in a closed container

B. Is almost incompressible

C. Has zero shear stress

D. Flows when even a small shear is applied to it

A. Cannot remain at rest under the action of shear force

B. Continuously expands till it fills any container

C. Is incompressible

D. Permanently resists distortion

A. Narrow

B. Deep

C. Both A & B

D. Neither A nor B

A. Signifies absence of density

B. Can resist shearing action

C. Is incompressible

D. Is a supercritical vapor

A. Employs such an impeller, through which the flow is a combination of radial & axial flow

B. Mixes the two fluids before pumping them

C. Pumps the two fluids separately and then mixes them

D. Employs impellers in both the radial & axial directions

A. Which follows Newton

B. Which needs a minimum shear, before it starts deforming

C. For which shear & deformation are related as $$\tau = \mu \frac{{\partial {\text{u}}}}{{\partial {\text{y}}}}$$

D. None of these

A. Wall thickness also increases

B. I.D. of the pipe decreases

C. O.D. of the pipe remains constant

D. All of the above

A. Does not satisfy PV = nRT

B. Is incompressible and has zero viscosity

C. Has constant specific heat

D. Can't develop shear stresses

A. Size

B. Roughness

C. Material density

D. Wall thickness