MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A fermentation broth with viscosity 10-2 Pa s and density 1000 kg m-3 is agitated in a 3.00 m3 baffled tank using a Rushton turbine with diameter 0.5 m and stirrer speed 1 s-1. Estimate the mixing time. |
| A. | 37 s |
| B. | 33 s |
| C. | 35 s |
| D. | 39 s |
| Answer» B. 33 s | |
| 2. |
In the following equation, what does Represents for the formed eddies? ( lambda = ( frac{v^3}{ epsilon })_{1/4} ) |
| A. | Wavelength |
| B. | Kinematic velocity |
| C. | Viscosity |
| D. | Dimension |
| Answer» E. | |
| 3. |
Which of the following is the slowest step in mixing process? |
| A. | Distribution |
| B. | Diffusion |
| C. | Dispersion |
| D. | Decomposition |
| Answer» B. Diffusion | |
| 4. |
Rotational stirrers are advantageous for mixing ? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Pitch of a propeller , Here what does pitch refer to? |
| A. | Advance per resolution |
| B. | Advance per rotation |
| C. | Advance per Sharpness |
| D. | Advance per revolution |
| Answer» E. | |