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Biochemical Engineering - Fluid Flow

Exercise : Fluid Flow - Section 1
  • Fluid Flow - Section 1
41.
Reynolds number for laminar flow over a plate should be less than
500 mm
5 x 10-5
5 x 105
5 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The approach which is commonly used to determine the level of damage to animal cells in a culture medium is to monitor
the concentration of lactate in the medium
the level of lactate oxidase activity in the medium
the level of lactate dehydrogenase activity
the level of lactase activity in the medium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A Brookfield viscometer cannot determine the shear stress because
the shear stress is not defined
a computer is required
the impeller type is given only by numbers
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Which of the following is correct?
The viscosity of liquids and gases decrease with increasing temperature
The viscosity of liquids and gases increase with increasing temperature
the viscosity of gases increases with increasing temperature, but decreases in liquids
the viscosity of gases decreases with increasing temperature, but decreases in liquids.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The Komologorov eddy size
is constant at all stirrer speeds
increases with stirrer speed
decreases with stirrer speed
becomes zero when the stirrer speed is very low
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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