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 type of structure does the hollow fibre have? |
| A. | tSymmetric |
| B. | tAsymmetric |
| C. | tIsotropic |
| D. | tAnisotropic |
| Answer» C. tIsotropic | |
| 2. |
Which of these can be operated by turbulent flow? |
| A. | tTubular |
| B. | tSpiral wound |
| C. | tPlate and frame |
| D. | tHollow fibre |
| Answer» B. tSpiral wound | |
| 3. |
Which type of membrane exhibit high flux? |
| A. | tIsotropic |
| B. | tAnisotropic |
| C. | tSymmetric |
| D. | tTubular |
| Answer» C. tSymmetric | |
| 4. |
Which type of membrane exhibit low flux? |
| A. | tIsotropic |
| B. | tAnisotropic |
| C. | tAsymmetric |
| D. | tTubular |
| Answer» B. tAnisotropic | |
| 5. |
What is the diameter assumed for hollow fine membranes for treating brackish water? |
| A. | t90 microns |
| B. | t95 microns |
| C. | t85 microns |
| D. | t80 microns |
| Answer» D. t80 microns | |
| 6. |
What is the diameter assumed for hollow fine membranes for treating sea water? |
| A. | t90 microns |
| B. | t95 microns |
| C. | t100 microns |
| D. | t105 microns |
| Answer» C. t100 microns | |
| 7. |
What is the concentration of chlorine upto which these spiral wound membranes can withstand? |
| A. | t2.0 ppm |
| B. | t1.0 ppm |
| C. | t1.5 ppm |
| D. | t2.5 ppm |
| Answer» C. t1.5 ppm | |
| 8. |
Which of these pollutants cannot be tolerated by the hollow fibre sheets? |
| A. | tFree chlorine |
| B. | tBOD |
| C. | tCOD |
| D. | tFree magnesium |
| Answer» B. tBOD | |
| 9. |
Which of these materials can be made into thin film composite? |
| A. | tPolyamide |
| B. | tCellulose acetate |
| C. | tCellulose triacetate |
| D. | tPolyethylene sulphate |
| Answer» B. tCellulose acetate | |
| 10. |
Which of these is true about reverse osmosis membranes? |
| A. | tThey get hydrolysed at extreme low/ high pH conditions |
| B. | tThey get hydrolysed at extreme high pH conditions |
| C. | tThey get hydrolysed at extremely low pH conditions |
| D. | tThey don t get hydrolysed at extreme low/ high pH conditions |
| Answer» B. tThey get hydrolysed at extreme high pH conditions | |
| 11. |
What is the percentage salt rejection of PES-1000? |
| A. | t98 % |
| B. | t99 % |
| C. | t99.8 % |
| D. | t99.9 % |
| Answer» E. | |
| 12. |
What is the permeate flux of UTC series? |
| A. | t0.5 |
| B. | t0.8 |
| C. | t1 |
| D. | t3.3 |
| Answer» C. t1 | |