For steady ideal fluid flow, the Bernoulli’s equation states that the_________________?

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 continuity equation in ideal fluid flow states that__________________?

   A. Net rate of inflow into any small volume must be zero
   B. Energy is not constant along a streamline
   C. Energy is constant along a streamline
   D. There exists a velocity potential

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 fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop of _____________ fluid?

   A. Dilatent
   B. Pseudo-plastic
   C. Bingham plastic
   D. Newtonian

6. The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for ______________ fluid?

   A. Newtonian
   B. Dilatant
   C. Pseudo-plastic

   D. Non-Newtonian

7. The fluid velocity varies as the cube of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop for ____________ fluid?

   A. Newtonian
   B. Pseudo-plastic
   C. Dilatent
   D. Bingham plastic

8. Bernoulli’s equation for steady, frictionless, continuous flow states that the ______________ at all sections is same?

   A. Total pressure
   B. Total energy
   C. Velocity head
   D. None of these

9. Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.

   A. ∂/∂s = 0
   B. ∂/∂t = 0
   C. ∂/∂s = constant
   D. ∂/∂t = constant

10. In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?

    A. Discharge of water by a centrifugal pump being run at a constant rpm
    B. Water flow in the suction and discharge pipe of a reciprocating pump
    C. Water discharge from a vertical vessel in which constant level is maintained
    D. Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe