Biotechnology Engineering (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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39.

A pseudo-plastic fluid is the one in which the viscosity ;

A: Is constant regardless of the stirrer speed or mixing time
B: Changes during mixing but returns to its original state after mixing
C: Increases with increasing stirrer speed
D: Decreases with increasing stirrer speed

The answer is: D

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