MCQOPTIONS
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MCQOPTIONS
This section includes 35 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. |
What is the term “Gin”? |
| A. | A magical spirit |
| B. | Liquor |
| C. | Non-liquor |
| D. | Gas |
| Answer» C. Non-liquor | |
| 2. |
What is sludge blanket? |
| A. | Blanket of waste |
| B. | Anaerobic digester |
| C. | Aerobic digester |
| D. | Simple sludge |
| Answer» C. Aerobic digester | |
| 3. |
Polyelectrolyte solution can be viscous. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not a coagulant? |
| A. | Alum |
| B. | Ferric chloride |
| C. | Aluminum chloride |
| D. | Aspirin |
| Answer» E. | |
| 5. |
Coagulation and flocculation are different. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What do you mean by “Stillage”? |
| A. | Still water |
| B. | Still waste |
| C. | Storage and transport |
| D. | Growth medium |
| Answer» D. Growth medium | |
| 7. |
The temperature of 20°C is used to take BOD of _________ |
| A. | 7-days |
| B. | 10-days |
| C. | 5- days |
| D. | 1-day |
| Answer» D. 1-day | |
| 8. |
Which of the following is used where there is no oxygen supply? |
| A. | Comminutors |
| B. | Sedimentation tank |
| C. | Mechanical mixer |
| D. | Screening devices |
| Answer» D. Screening devices | |
| 9. |
Trickling filters are less suitable for a larger volume of effluents. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Velocity channels are used to remove larger suspended particles. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
UASB was developed in __________ |
| A. | America |
| B. | Netherlands |
| C. | London |
| D. | Japan |
| Answer» C. London | |
| 12. |
Which of the following is not the use of anaerobic treatment? |
| A. | Achieving higher loading rates |
| B. | Low power to treat BOD |
| C. | The metabolization of organic matter |
| D. | High levels of microbial growth |
| Answer» E. | |
| 13. |
What is the use of venturi? |
| A. | To generate low-pressure |
| B. | To remove grit |
| C. | To generate high pressure |
| D. | To break the foam |
| Answer» B. To remove grit | |
| 14. |
Who described the use of contactors in wastewater treatment? |
| A. | Ware and Pescod |
| B. | Arden and Lockett |
| C. | Cooper and Wheeldon |
| D. | Taylor and Senior |
| Answer» B. Arden and Lockett | |
| 15. |
The diameter of a conventional trickling filter is _______ |
| A. | 5-8 m |
| B. | 5-10 m |
| C. | 1-10 m |
| D. | 8-16 m |
| Answer» E. | |
| 16. |
Which is the use of comminutors? |
| A. | To reduce the size of particles |
| B. | To remove the grit |
| C. | To remove large particles |
| D. | To remove small particles |
| Answer» B. To remove the grit | |
| 17. |
What is the function of a sedimentation tank? |
| A. | Removal of larger suspended matter |
| B. | Reduction in particle size |
| C. | Removal of grit |
| D. | Removal of finer matter |
| Answer» E. | |
| 18. |
Which of the following is a primary treatment? |
| A. | Sedimentation |
| B. | Activated sludge |
| C. | Sand filters |
| D. | Microstrainers |
| Answer» B. Activated sludge | |
| 19. |
Who described the disposal of antibodies and steroid wastes? |
| A. | Colovos and Tinklenberg |
| B. | Zajic and Melcher |
| C. | Smith |
| D. | Mbagwu and Ekwealor |
| Answer» B. Zajic and Melcher | |
| 20. |
Which of the following is not a factor to investigate in a site survey? |
| A. | BOD/COD |
| B. | Sterility |
| C. | Colour |
| D. | Radioactivity |
| Answer» C. Colour | |
| 21. |
Which of the following is the method for disposal of municipal solid waste? |
| A. | Incineration |
| B. | Landfilling |
| C. | Well disposal |
| D. | Spray irrigation |
| Answer» C. Well disposal | |
| 22. |
POLYELECTROLYTE_SOLUTION_CAN_BE_VISCOUS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 23. |
WHICH_OF_THE_FOLLOWING_IS_NOT_A_COAGULANT??$ |
| A. | Alum |
| B. | Ferric chloride |
| C. | Aluminum chloride |
| D. | Aspirin |
| Answer» E. | |
| 24. |
What is the term “Gin”?$# |
| A. | A magical spirit |
| B. | Liquor |
| C. | Non-liquor |
| D. | Gas |
| Answer» C. Non-liquor | |
| 25. |
What is sludge blanket?$ |
| A. | Blanket of waste |
| B. | Anaerobic digester |
| C. | Aerobic digester |
| D. | Simple sludge |
| Answer» C. Aerobic digester | |
| 26. |
In alternating double filtration (ADF), the filters are reversed. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 27. |
What do you mean by ponding? |
| A. | Level to increase water concentration |
| B. | Water body |
| C. | Accumulation |
| D. | Treated effluent |
| Answer» D. Treated effluent | |
| 28. |
The anaerobic digester tanks volume is upto? |
| A. | 2,000 m<sup>3</sup> |
| B. | 12,000 m<sup>3</sup> |
| C. | 24,000 m<sup>3</sup> |
| D. | 200 m<sup>3</sup> |
| Answer» C. 24,000 m<sup>3</sup> | |
| 29. |
Coagulation and flocculation are different? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 30. |
Slow sand filter is similar to rapid sand filter in terms of coagulation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 31. |
For turbidity and color removal slow sand filter is used. |
| A. | True |
| B. | False |
| Answer» C. | |
| 32. |
What is the use of comminutors? |
| A. | To reduce the size of the particle |
| B. | To collect waste |
| C. | To commercialize goods and waste |
| D. | To increase the size of the particle |
| Answer» B. To collect waste | |
| 33. |
Centrifugation is a type of dewatering process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 34. |
The biological method is the type of which of the following treatment? |
| A. | Primary |
| B. | Secondary |
| C. | Tertiary |
| D. | Quaternary |
| Answer» C. Tertiary | |
| 35. |
The physical and chemical methods are the type of which of the following treatment? |
| A. | Primary |
| B. | Secondary |
| C. | Tertiary |
| D. | Quaternary |
| Answer» B. Secondary | |