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2
Forwarded from Aya Ahmed..
Newton was recognized that the……… the viscosity of liquid , the greater is the force per unit area .
Anonymous Quiz
81%
Higher
19%
Lower
2
Forwarded from Aya Ahmed..
The………… can be described in terms of absolute viscosity.
Anonymous Quiz
33%
Simple solids
7%
Simple gas
59%
Simple liquids
Forwarded from Aya Ahmed..
Flocculated suspension exhibit a flow as………
Anonymous Quiz
56%
Plastic flow
44%
Pseudoplastic flow
0%
Dilatant flow
Forwarded from Aya Ahmed..
The poise is the CGS unit of viscosity …………
Anonymous Quiz
76%
Dyne sec/cm²
16%
cm²/sec
8%
Dynes/cm²
Forwarded from Aya Ahmed..
Shearing stress :
Anonymous Quiz
22%
dv/dr
59%
F'/A
19%
ds/dt
Forwarded from Aya Ahmed..
Rate of shear should be……… proportional to shearing stress.
Anonymous Quiz
38%
Reverse
63%
Direct
Forwarded from Aya Ahmed..
The stoke is cgs unit of :
Anonymous Quiz
27%
Fluidity
59%
Kinematic viscosity
14%
Viscosity
Forwarded from Aya Ahmed..
The viscosity of Castor oil is :
Anonymous Quiz
26%
100
13%
1.0019
61%
1000
Forwarded from Aya Ahmed..
The……… is ordinarily used as standard for viscosity of liquid .
Anonymous Quiz
14%
Castor oil
23%
Olive oil
64%
Water
Forwarded from Aya Ahmed..
When temperature raised , the viscosity of liquid………
Anonymous Quiz
25%
Increase
75%
Decreases
Forwarded from Aya Ahmed..
Kinematic viscosity is the reciprocal of viscosity .
Anonymous Quiz
39%
True
61%
False
Forwarded from Aya Ahmed..
A plastic material was found to have a yield value of 5200 dynes / cm² . If the rate of shear was 150 sec - ¹ when F was 8000 dynes / cm² , calculate U , the plastic viscosity of the sample .
Anonymous Quiz
38%
18.67 poise
25%
17.56 poise
38%
14.67 poise
Forwarded from Aya Ahmed..
The plastic viscosity is reciprocal of………
Anonymous Quiz
61%
The mobility
9%
The fluidity
30%
The viscosity
Forwarded from Aya Ahmed..
plastic flow typically exhibited By polymers in solution .
Anonymous Quiz
42%
True
58%
False
Forwarded from Aya Ahmed..
The viscosity of dilatant increase with……… in rate of shear .
Anonymous Quiz
65%
Increase
35%
Decreases
Forwarded from Aya Ahmed..
"Shear - thickening system " is……
Anonymous Quiz
46%
Dilatant materials
50%
Pseudoplastic materials
4%
Plastic materials
Forwarded from Aya Ahmed..
Example on pseudoplastic Flow :
Anonymous Quiz
52%
Tragacanth
20%
Ointments
28%
Suspension