11 Questions
What is the characteristic of a pseudoplastic substance?
Its viscosity decreases with increasing rate of shear
What is the unit of viscosity equivalent to 100 centipoise?
Poise
Which of the following materials exhibits dilatant flow?
Corn Starch
What is the purpose of a capillary viscometer?
To determine the viscosity of a fluid
What is the characteristic of a fluid with high viscosity?
It flows slowly
What does the term 'rheology' literally mean?
Flow and deformation of materials
What is the unit of absolute viscosity?
Poise (p)
According to Newton's law of flow, what is the relationship between the viscosity of a liquid and the force per unit area required to produce a certain rate of shear?
The higher the viscosity, the greater the force per unit area required
What is the characteristic of a non-Newtonian fluid?
Its flow properties are not described by a single constant value of viscosity
What is the type of flow where the flow curve does not pass through the origin?
Plastic flow
What are the three classes of non-Newtonian flow?
Pseudoplastic, Dilatant, and Plastic flow
Test your understanding of rheology, a branch of physics that deals with flow and deformation of matters. Learn about Newtonian and non-Newtonian fluids, and their flow properties.
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