A product that reacts to stress in a time dependent manner t

A product that reacts to stress in a time dependent manner, thickening with time is:

a.         Thixotropic.

b.         Newtonian.

c.         Dilatant.

d.         Einsteinian.

e.         Rheopectic.

f.          Swadian.

Solution

Answer -

Rheopectic - viscosity of Rheopectic fluid is time dependent and thickened if stress applied for long time .It is a non Newtonian fluid because depending on their viscosity behavior as a function on share rate ,stress deformation they are characterized as non Newtonian fluid while Newtonian fluid\'s flow behavior depends upon simple liner relationship between share stress and share rate.

Even dilatant is also a kind of non Newtonian fluid which thickened if stress applied but it\'s viscosity does not depend on time.