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Home ‣ Biochemical Engineering ‣ Agitation and Aeration See What Others Are Saying!
- Question
The advantage of axial flow impellers over radial flow impellers is that axial flow impellers
Options- A. provide better lift of solids
- B. provide high shear conditions
- C. provide low shear conditions
- D. are cheaper to build
- Correct Answer
- provide better lift of solids
- 1. The bitter taste of the high protein materials is reduced by using
Options- A. invertase
- B. dectinase
- C. protease
- D. none of these Discuss
- 2. The ultimate source of water is
Options- A. rivers and lakes
- B. dew and forest
- C. rain and snow
- D. underground and surface Discuss
- 3. Which of these enzymes contains a Zinc (Zn) ion?
Options- A. Carboxypeptidase A
- B. Phosphorylase B kinase
- C. Tyrosine hydroxylase
- D. Phosphodiesterase Discuss
- 4. The oxygen absorption rate can be determined by
Options- A. sodium sulfite oxidation method
- B. dynamic gassing out technique
- C. direct measurement
- D. all of these Discuss
- 5. Trichoderma ?-glucanase is reported
Options- A. to stabilize mashing
- B. to convert taste fractions of dextrins to fermentable sugars in beer
- C. to convert starch to dextrin
- D. all of the above Discuss
- 6. The maximum desirable limit (BIS of mercury in the drinking water is
Options- A. 0.05 mg/l
- B. 0.9 mg/l
- C. 0.1 mg/l
- D. 0.001 mg/l Discuss
- 7. An ion exchange resin is composed of
Options- A. polymeric network
- B. ionic functional groups
- C. counter ions
- D. all of these Discuss
- 8. Which of the operation does not come under upstream processing?
Options- A. Media preparation
- B. Inoculum development
- C. Effluent treatment
- D. Storage of raw material Discuss
- 9. Which of the following is the commonly employed adsorbents?
Options- A. Calcium carbonate
- B. Alumina
- C. Celluloses
- D. All of these Discuss
- 10. When a culture of fermenting yeast becomes metabolically uncoupled, ethanol
Options- A. becomes a secondary metabolite
- B. production becomes growth associated
- C. production becomes non-growth associated
- D. becomes a growth nutrient Discuss
More questions
Correct Answer: protease
Correct Answer: rain and snow
Correct Answer: Carboxypeptidase A
Correct Answer: all of these
Correct Answer: to stabilize mashing
Correct Answer: 0.001 mg/l
Correct Answer: all of these
Correct Answer: Effluent treatment
Correct Answer: All of these
Correct Answer: production becomes non-growth associated
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