The property of fluid by virtue of which it offers resistance to shear is called________________?

Related Mcqs:

1. Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called________________?

   A. adhesion
   B. cohesion
   C. viscosity
   D. compressibility
   E. surface tension

2. The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?

   A. surface tension
   B. co-efficient of viscosity
   C. viscosity
   D. osmosis
   E. cohesion

3. 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

4. The property of a fluid which enables it to resist tensile stress is known as___________________?

   A. compressibility
   B. surface tension
   C. cohesion
   D. adhesion
   E. viscosity

5. Property of a fluid by which its own molecules are attracted is called___________________?

   A. adhesion
   B. cohesion
   C. viscosity
   D. compressibility
   E. surface tension

6. At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_________________?

   A. minimum
   B. maximum
   C. zero
   D. negative value
   E. could be any value

7. If no resistance is encountered by displacement, such a substance is known as ___________________?

   A. fluid
   B. water
   C. gas
   D. perfect solid
   E. ideal fluid

8. In a static fluid ___________________?

   A. resistance to shear stress is small
   B. fluid pressure is zero
   C. linear deformation is small
   D. only normal stresses can exist
   E. viscosity is nil

9. The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream__________________?

   D. keeps on increasing
   B. keeps on decreasing
   C. remains constant
   D. may increase/decrease
   E. unpredictable

10. The normal stress in a fluid will be constant in all directions at a point only if__________________________?

    A. it is incompressible
    B. it has uniform viscosity
    C. it has zero viscosity
    D. it is frictionless
    E. it is at rest