21. Water is a
A. newtonian fluid
B. pseudoplastic
C. dilatant
D. rheopectic
22. Which of the following affect the Kolmogorov eddy size?
A. Stirrer speed
B. Physical properties of the liquid
C. Size and type of impeller
D. All of these
23. A liquid is flowing at 11,400 l.h-1 along a pipeline having a diameter of 4 cm. If the liquid has a density of 1 g.ml-1 and viscosity of 0.001kg .m-1.s-1, then the liquid would be in the
A. laminar phase
B. transient phase
C. turbulent phase
D. any of the phase
24. The viscosity of a fluid increases with the length of time that it is being mixed. This fluid would be best described as being
A. newtonian
B. rheopectic
C. viscoelastic
D. thixotropic
25. Which of the following can act as a shear protectorant?
A. Serum
B. Silicone oil
C. Glucose
D. Glutamic acid
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