MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
WHAT_IS_THE_MATERIAL_USED_IN_THE_MAKING_OF_NS-200_MEMBRANE??$ |
| A. | Sulphonated polyfuran |
| B. | Sulphonated polysulphone |
| C. | Polypiperazine-amide |
| D. | Aromatic polyamide |
| Answer» B. Sulphonated polysulphone | |
| 2. |
What is the percentage of salt rejection of NS-100 RO membrane?$ |
| A. | 99.8% |
| B. | 99 % |
| C. | 98.5 % |
| D. | 97 % |
| Answer» C. 98.5 % | |
| 3. |
What_is_the_material_used_in_the_making_of_BARC-TFC2_membrane?$ |
| A. | Aromatic polyamide |
| B. | Polyamide |
| C. | Sulphonated polyfuran |
| D. | Sulphonated polysulphone |
| Answer» C. Sulphonated polyfuran | |
| 4. |
What is the permeate flux of the RO membrane FT-30? |
| A. | 0.5 |
| B. | 0.8 |
| C. | 1 |
| D. | 1.2 |
| Answer» D. 1.2 | |
| 5. |
Which_among_the_following_has_the_highest_percentage_of_salt_rejection? |
| A. | NS-100 |
| B. | NS-200 |
| C. | NS-300 |
| D. | CP |
| Answer» C. NS-300 | |
| 6. |
What is the pore size of LTA-type zeolite nanoparticle? |
| A. | 0.2 nm |
| B. | 0.4 nm |
| C. | 0.6 nm |
| D. | 0.8 nm |
| Answer» C. 0.6 nm | |
| 7. |
Which of the following materials is not used in the preparation of nanocomposite support membranes? |
| A. | Silica (50 nm) |
| B. | Zeolite (250 nm) |
| C. | Silica (120 nm) |
| D. | Zinc (135 nm) |
| Answer» E. | |
| 8. |
The chlorine resistant polyamide membranes are prepared from aliphatic polypiperazine amides. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following membrane is used in the osmosis process? |
| A. | Impermeable membrane |
| B. | Semi-permeable membrane |
| C. | Permeable membrane |
| D. | Non-porous membrane |
| Answer» C. Permeable membrane | |
| 10. |
In RO, the solvent passes through the membrane at a much faster rate than the dissolved solids. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
What is the membrane that selectively allows certain species to pass through called? |
| A. | Permeable membrane |
| B. | Semi-permeable membrane |
| C. | Impermeable membrane |
| D. | Membrane |
| Answer» C. Impermeable membrane | |
| 12. |
Where did the research on reverse osmosis begin? |
| A. | University of Bangalore |
| B. | University of Florida |
| C. | University of Columbia |
| D. | University of California |
| Answer» C. University of Columbia | |