Fluid Flow Questions

• Which of the following describes the detrimental effect of bubbles on animal cells?
• Water is a
• A Newtonian fluid is one in which the viscosity
• A dilatant fluid is one in which the viscosity
• In animal cell bioreactor, bubble damage can be minimized by
• Which of the following compound, if added to a solution will lead to the greatest increase in viscosity?
• A fluid in which the viscosity decreases with increasing stirrer speed and mixing time, can be represented as
• A Brookfield viscometer measures viscosity by determining
• In sparged mammalian cell bioreactors, the cell damage is caused because of
• The SI unit for viscosity is
• A pseudoplastic fluid is one in which the viscosity
• The medium will have the highest viscosity (considering that the cells do not secrete gums) with the presence of
• The viscosity of a fluid changes with either stirrer speed or mixing time. But when mixing ceases, the viscosity returns to its original state. This fluid is best described as
• 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
• Bubble free aeration systems requires
• If the viscosity of a fluid decreases with the length of time that it is being mixed, then this fluid is
• A viscoelastic fluid is one in which the viscosity
• Which of the following is correct?
• Pluronic F68 protects mammalian cells from damage stems as it is a/an
• Mixing in stirred tank reactors can