Applicability of Bernoulli’s equation is limited to a/an _____________ fluid, that does not exchange shaft work with the surroundings?

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. Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?

   A. I, II, III
   B. II, III, V
   C. I, II, V
   D. II, IV, V

3. The pressure drop per unit length of pipe incurred by a fluid ‘X’ flowing through pipe is Δp. If another fluid ‘Y’ having both the specific gravity & density just double of that of fluid ‘X’, flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be__________________?

   A. Δp
   B. 2Δp
   C. Δp2
   D. Δp/2

4. 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

5. The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the _____________ equation?

   A. Nikuradse
   B. Von-Karman
   C. Blasius
   D. Colebrook

6. Fanning friction factor equation applies to the _____________ fluid flow?

   A. Non-isothermal condition of
   B. Compressible
   C. Both A. and B.
   D. Neither A. nor B.

7. Each term in Bernoulli‟s equation represents the _____________ of the fluid?

   A. Energy per unit mass
   B. Energy per unit weight
   C. Force per unit mass
   D. None of these

8. Navier-Stokes equation is useful in the analysis of _____________ fluid flow problems?

   A. Non-viscous
   B. Viscous
   C. Turbulent
   D. Rotational

9. The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a _____________ fluid?

   A. Bingham
   B. Newtonian
   C. Perfect
   D. None of these

10. A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

    A. Newtonian
    B. Viscous
    C. Dilatant
    D. Non-viscous