 
			 
			MCQOPTIONS
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				This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Which of the following materials are used for high temperature applications? | 
| A. | Polypropylene | 
| B. | Cellulose acetate | 
| C. | Polylactic acid | 
| D. | Ceramic | 
| Answer» E. | |
| 2. | What is the turbidity for hollow fibers? | 
| A. | <15 | 
| B. | <1 | 
| C. | <10 | 
| D. | <12 | 
| Answer» B. <1 | |
| 3. | Micro-organisms adhering to the membrane surface forming a gel layer is called ______ | 
| A. | Scaling | 
| B. | Biofilm | 
| C. | Gel layer | 
| D. | Barrier | 
| Answer» C. Gel layer | |
| 4. | MICRO-ORGANISMS_ADHERING_TO_THE_MEMBRANE_SURFACE_FORMING_A_GEL_LAYER_IS_CALLED_______?$ | 
| A. | Scaling | 
| B. | Biofilm | 
| C. | Gel layer | 
| D. | Barrier | 
| Answer» C. Gel layer | |
| 5. | Which of the following materials are used for high temperature applications?$ | 
| A. | Polypropylene | 
| B. | Cellulose acetate | 
| C. | Polylactic acid | 
| D. | Ceramic | 
| Answer» E. | |
| 6. | What_is_the_turbidity_for_hollow_fibers?$ | 
| A. | <15 | 
| B. | <1 | 
| C. | <10 | 
| D. | <12 | 
| Answer» B. <1 | |
| 7. | Which of the following factors does not stimulate scale formation? | 
| A. | pH | 
| B. | Temperature | 
| C. | Area | 
| D. | Flow velocity | 
| Answer» D. Flow velocity | |
| 8. | Macromolecules deposited uniformly on pore walls is called ______ | 
| A. | Standard blocking | 
| B. | Complete blocking | 
| C. | Intermediate blocking | 
| D. | Blocking | 
| Answer» B. Complete blocking | |
| 9. | Which of the following is not correct with respect to ultrafiltration? | 
| A. | Chemicals required | 
| B. | Compact plant size | 
| C. | Good product quality | 
| D. | Good pathogen removal | 
| Answer» B. Compact plant size | |
| 10. | Which of the following is a tertiary filtration? | 
| A. | Coagulation | 
| B. | Sand filtration | 
| C. | Flocculation | 
| D. | Sedimentation | 
| Answer» C. Flocculation | |
| 11. | Which of the following factors are considered in ultrafiltration? | 
| A. | Size | 
| B. | Colour | 
| C. | Taste | 
| D. | Smell | 
| Answer» B. Colour | |
| 12. | High molecular weight solutes pass through the membrane. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 13. | __________ is used for ultrafiltration. | 
| A. | Permeable membrane | 
| B. | Highly permeable membrane | 
| C. | Semi-permeable membrane | 
| D. | Non-permeable membrane | 
| Answer» D. Non-permeable membrane | |
| 14. | Ultrafiltration is different from membrane filtration. | 
| A. | True | 
| B. | False | 
| Answer» C. | |