Experimental study of laminar fluid flow through a circular tube was conducted by____________________?

Related Mcqs:

1. Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation? A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent. D. Fluid is compressible. E. Fluid is incompressible ?

   A. A, C, D
   B. B, D, E
   C. A, B, E
   D. A, D, E

2. 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

3. The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonian fluid in a circular pipe is_____________________?

   A. 0.5
   B. 1
   C. 2
   D. 0.66

4. For the laminar flow of a fluid in a circular pipe of radius R, the Hagen-Poisseule equation predicts the volumetric flow rate to be proportional to____________________?

   A. R
   B. R2
   C. R4
   D. R0.5

5. For laminar flow of Newtonian fluid in a circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the centre line of the pipe, and it follows a ______________ relationship?

   A. Logarithmic
   B. Parabolic
   C. Hyperbolic
   D. Linear

6. Fanning friction factor for laminar flow of fluid in a circular pipe is____________________?

   A. Not a function of the roughness of pipe wall
   B. Inversely proportional to Reynolds number
   C. Both A. & B.
   D. Neither A. nor B.

7. What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe) ?

   A. 0.5
   B. 1
   C. 1.5
   D. 2

8. In case of laminar flow of fluid through a circular pipe, the__________________?

   A. Shear stress over the cross-section is proportional to the distance from the surface of the pipe
   B. Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the
   volume of circumscribing cylinder
   C. Velocity profile varies hyperbolically and the shear stress remains constant over the crosssection
   D. Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

9. Pressure drop for laminar fluid flow through a circular pipe is given by__________________?

   A. 4f (L/D) (v2/2gc) ρ
   B. 32 (μLV/gc D2)
   C. 16/NRe
   D. (fLρ/D) (v2/2gc)

10. In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?

    A. Rotational
    B. Unsteady
    C. Turbulent
    D. Non-uniform