The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as_________________?

Related Mcqs:

1. The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as___________________?

   A. one dimensional flow
   B. uniform flow
   C. steady flow
   D. turbulent flow
   E. streamline flow

2. When the flow parameters at any given instant remain same at every point, then flow is said to be____________________?

   A. quasi static
   B. steady state
   C. laminar
   D. uniform
   E. static.

3. If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be_________________?

   A. higher than the surface of liquid
   B. the same as the surface of liquid
   C. lower than the surface of liquid
   D. unpredictable
   E. none of the above

4. The volumetric change of the fluid caused by a resistance is known as_________________?

   A. volumetric strain
   B. volumetric index
   C. compressibility
   D. adhesion
   E. cohesion

5. In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?

   A. constant
   B. variable
   C. zero
   D. zero under limiting conditions
   E. never zero

6. The flow which neglects changes in a transverse direction is known as ____________________?

   A. one dimensional flow
   B. uniform flow
   C. steady flow
   D. turbulent flow
   E. streamline flow

7. A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is_____________________?

   A. 0.30 m/sec
   B. 0.35 m/sec
   C. 0.40 m/sec
   D. 0.45 m/sec

8. A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?

   A. 1 : 5
   B. 1 : 2.5
   C. 1 :25
   D. 1:V5″
   E. 1 : 53/2

9. The pressure at a point in a fluid will not be same in all the directions when the fluid is________________?

   A. moving
   B. viscous
   C. viscous and static
   D. inviscous and moving
   E. viscous and moving

10. The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?

    A. Buoyancy
    B. Equilibrium of a floating body
    C. Archimedes’ principle
    D. Bernoulli’s theorem
    E. Metacentric principle