Rheology

Question 0

In Newtonian fluid, relationship between _______ and ________ is directly proportional

Answer 0

Shearing stress

Rate of shear

Question 1

Fluidity equation

Answer 1

1 over viscosity

Question 2

Newtonian flow is characterized by constant ______.

Answer 2

viscosity

Question 3

A rheogram is a plot of shear rate, G as a function of ________

Answer 3

Shearing stress F

Question 4

Example of Newtonian fluid include ______ and pharmaceutical does age firm containing high percentage of _____

Answer 4

Water

Water

Question 5

Non-Newtonian fluids include liquid and solid heterogeneous dispersions such as colloidal solutions, ______, _______, liquid suspensions

Answer 5

Emulsion

Ointment

Question 6

Non Newtonian fluid can be classified into 3 categories;

Answer 6

Plastic
Pseudoplastic
Dilatant materials

Question 7

Plastic flow nonnewtonian fluid are called ______, example includes ____ and ____

Answer 7

Bingham bodies

Ketchup, mayo

Question 8

Rheologist classify Bingham bodies as ______, because liquid typically flow when _______ is applied

Answer 8

Solid

Shearing stress

Question 9

________ begin flow when searing stress is applied

Answer 9

Pseudoplastic flow

Question 10

Dilatant Dow increase in _____ when sheared, and the _____ increases with increasing shearing rate.

Answer 10

Volume viscosity

Question 11

Dilatant fluid is shear______,

Pseudo plastic fluid is shear______

Answer 11

Thickening

Thinning

Question 12

Dilatant fluid, aka shear thickening fluid, are fluid whose ________ increase as stress is applied

Answer 12

Viscosity