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Dairying Practice Test: Rheology
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Avg score: 88% Most missed: “Viscosity varied ________ with temperature and _______ with fat content of milk.”
Rheology topics include: Rheology definitions, flow behaviour models, measuring equipment and techniques. Rheology is the study of how matter flows, primarily in a fluid state. It also studies how "soft solids" or solids deform when they respond with plastic flow instead of deforming elastically. The name rheology comes from the Greek word for flow. It was coined by Eugene Bingham, who also founded the Society of Rheology in the USA.  Rheology is applied to fluid materials or materials that have a time-dependent response to stress. Flow is usually measured using shear.  Rheological... Show more
Dairying Practice Test: Rheology
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25 Questions

1. Stress strain relationship for a Newtonian fluid is __________
2. Property of fluid that describes its internal resistance is known as __________
3. Example of positive displacement meter is _____________
4. Decrease in temperature of milk leads to _______ in viscosity.
5. For the measurement of flow, the cheapest device is _____________
6. Which of the following satisfy n<1 (where n is flow behavior index)?
7. Which of the following are now Newtonian materials which are time dependent?
8. The science of deformation and flow of matter is called _____
9. Which of the following factors does not affect the viscosity of milk?
10. The device which is used for making temporary measurements of flow is _____________
11. The flow meter which is replacing the differential pressure meters in its applications is _____________
12. Cooled raw milk and cream exhibit which of the following flow behavior?
13. Why is it necessary to study flow behavior in dairy?
14. Which of the following are now Newtonian material which is time independent?
15. A Newtonian fluid is defined as the fluid which?
16. Elasticity is___________
17. For non-Newtonian fluids, apparent viscosity is a function of __________
18. At 30℃, water has the viscosity of __________
19. For the measurement of flow rate of liquid, the method used is _____________
20. Deformation force can be ______________
21. Consistency can be described as ___________
22. Conveyor-based methods are used for the measurement of the flow of _____________
23. Milk is a ______ fluid.
24. Which fluids are having a constant viscosity dependent on temperature but independent of the applied shear rate?
25. The force required to maintain a relative velocity of 1cm/sec between two parallel planes placed 1 cm apart is called ________