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Biochemical Engineering - Fluid Flow

Exercise : Fluid Flow - Section 1
  • Fluid Flow - Section 1
26.
The viscosity of a fluid increases with increasing stirrer speed. This fluid would be best described as being
newtonian
pseudoplastic
dilatant
thixotropic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A dilatant fluid is one in which the viscosity
is constant regardless of the stirrer speed or mixing time
changes during mixing but returns to its original state after mixing
increases with increasing stirrer speed
decreases with increasing stirrer speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
A rheopectic fluid is one in which the viscosity
is constant regardless of the stirrer speed or mixing time
changes during mixing but returns to its original state after mixing
increases with mixing time
decreases with mixing time
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
A fluid in which the viscosity increases with increasing stirrer speed and mixing time can be called as
newtonian fluid
pseudoplastic, thixotropic fluid
dilatant, rheopectic fluid
dilatant pseudoplastic fluid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The medium will have the highest viscosity (considering that the cells do not secrete gums) with the presence of
single celled bacteria
filamentous fungi that form pellets
filamentous fungi that grow as long poorly branched chains
yeast
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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