The units of dynamic or absolute viscosity are_______________?

Related Mcqs:

1. The units of kinematic viscosity are_______________?

   A. metres2 per sec
   B. kg sec/meter
   C. newton-sec per meter
   D. newton-sec per meter
   E. none of the above

2. Dynamic viscosity of most of the liquids with rise in temperature____________________?

   A. increases
   B. decreases
   A. remains unaffected
   D. unpredictable
   E. none of the above

3. Dynamic viscosity of most of the gases with rise in temperature___________________?

   A. increases
   B. decreases
   C. remains unaffected
   D. unpredictable
   E. none of the above

4. The ratio of absolute viscosity to mass density is known as____________________?

   A. specific viscosity
   B. viscosity index
   C. kinematic viscosity
   D. coefficient of viscosity
   E. coefficient of compressibility

5. The units of viscosity are__________________?

   A. metres2 per sec
   B. kg sec/metre
   C. newton-sec per metre2
   D. newton-sec per metre
   E. none of the above

6. A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

   A. 10 m/sec
   B. 25 m/sec
   C. 2 m/sec
   D. 50 m/sec
   E. 250 m/sec

7. The conditions for the stable equilibrium of a floating body are_______________?

   A. the meta-center should lie above the center of gravity
   B. the center of buoyancy and the center of gravity must lie on the same vertical line
   C. a righting couple should be formed
   D. all the above are correct
   E. none of the above is correct

8. For very great pressures, viscosity of moss gases and liquids __________________?

   A. remains same
   B. increases
   C. decreases
   D. shows erratic behaviour
   E. none of the above.

9. Kinematic viscosity is dependent upon________________?

   A. pressure
   B. distance
   C. level
   D. flow
   E. density

10. Newton’s law of viscosity is a relationship between________________?

    A. shear stress anctthejiate of angular distortion
    B. shear stress and viscosity
    C. shear stress, velocity and viscosity
    D. pressure, velocity and viscosity
    E. shear stress, pressure and rate of angular distortion