Q. Reynolds number for turbulent flow over a plate should be more than

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Q. A stirred tank reactor containing a fluid with a density of 2.5 g.ml­¹ and viscosity of 0.002 kg m­¹s­¹ is mixed at 120 rpm. If the fluid is mixed with an impeller having diameter 50 cm, then the Reynolds number of the liquid in the reactor is

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Q. If the viscosity of a fluid decreases with the length of time that it is being mixed, then this fluid is

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Q. Which of the following describes the importance of the Kolmogorov eddy size in the biotechnology?

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Q. A thixotropic fluid is one in which the viscosity

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Q. Newtonian fluid is one in which the viscosity

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Q. The viscosity of a fluid increases with increasing stirrer speed. This fluid would be best described as being

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Q. A dilatant fluid is one in which the viscosity

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Q. A rheopectic fluid is one in which the viscosity

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Q. A fluid in which the viscosity increases with increasing stirrer speed and mixing time can be called as

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Q. The medium will have the highest viscosity (considering that the cells do not secrete gums) with the presence of

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Q. The viscosity of liquid was classified as both dilatant and rheopectic, which means that the viscosity

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Q. Which of the following describes the detrimental effect of bubbles on animal cells?

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Q. A fluid in which the viscosity decreases with increasing stirrer speed and mixing time, can be represented as

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Q. Filamentous fungal cells are more shear sensitive than bacterial cells because of

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Q. The viscosity of water at STP is approximately

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Q. Bubble free aeration systems requires

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Q. Non-linear relationship between shear stress and shear rate exists in

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Q. If the viscosity of a fluid decreases with increasing stirrer speed, then the nature of the fluid is

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Q. A pseudoplastic fluid is one in which the viscosity

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