For very great pressures, viscosity of moss gases and liquids__________________?

Related Mcqs:

1. The resultant of all normal pressures acts___________________?

   A. at e.g. of body
   B. at center of pressure
   C. vertically upwards
   D. at metacentre
   E. vertically downwards

2. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is__________________?

   A. less
   B. more
   C. equal
   D. may be less or more depending on temperature
   E. unpredictable

3. For water, at pressures below atmospheric___________________?

   A. melting point rises slightly and boiling point drops markedly
   B. melting point rises markedly and boiling point drops markedly
   C. melting point drops slightly and boiling point drops markedly
   D. melting point drops slightly and boiling point drops slightly
   E. none of the above

4. Kinematic viscosity is dependent upon__________________?

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

5. The units of kinematic viscosity are____________________?

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

6. Kinematic viscosity is equal to_________________?

   A. dynamic viscosity/density
   B. dynamicviscosity x density
   C. density/dynamic viscosity
   D. 1/dynamicviscosity x density
   E. same as dynamic viscosity

7. The units of dynamic or absolute viscosity are__________________?

   A. metres2 per sec
   B. kg sec/meter
   C. newton-sec per meter
   D. newton-sec2 per meter
   E. none of the above

8. 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

9. 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

10. 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