MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 limit of LSI assumed while designing the reverse osmosis system without a scale inhibitor? |
| A. | t<0.2 |
| B. | t0.5-1 |
| C. | t1-2 |
| D. | t2-4 |
| Answer» B. t0.5-1 | |
| 2. |
What is the % flux decline per year assumed while designing the reverse osmosis system for treating RO permeate water? |
| A. | t2.3-4.4 |
| B. | t4.4-7.3 |
| C. | t7.3-9.9 |
| D. | t12-16 |
| Answer» B. t4.4-7.3 | |
| 3. |
What is the % flux decline per year assumed while designing the reverse osmosis system for treating well water? |
| A. | t4.4-7.3 |
| B. | t8.5-11.5 |
| C. | t12-15 |
| D. | t15-18 |
| Answer» B. t8.5-11.5 | |
| 4. |
What is the % flux decline per year assumed while designing the reverse osmosis system for treating surface water? |
| A. | t7.3-9.9 |
| B. | t9.9-11.2 |
| C. | t11.2-14 |
| D. | t14-16 |
| Answer» B. t9.9-11.2 | |
| 5. |
What is the flux assumed while designing the reverse osmosis system to treat RO permeate? |
| A. | t3-10 LMH |
| B. | t13-20 LMH |
| C. | t23-30 LMH |
| D. | t34-50 LMH |
| Answer» E. | |
| 6. |
What is the flux assumed while designing the reverse osmosis system to treat well water? |
| A. | t3-10 LMH |
| B. | t13-23 LMH |
| C. | t24-30 LMH |
| D. | t30-35 LMH |
| Answer» D. t30-35 LMH | |
| 7. |
What is the flux assumed while designing the reverse osmosis system to treat surface water? |
| A. | t3-10 LMH |
| B. | t14-28 LMH |
| C. | t28-32 LMH |
| D. | t32-40 LMH |
| Answer» C. t28-32 LMH | |
| 8. |
What is the percentage of TDS removed by the reverse osmosis membrane? |
| A. | t97-99% |
| B. | t50-60% |
| C. | t60-70% |
| D. | t70-90% |
| Answer» B. t50-60% | |
| 9. |
What is the limit of total dissolved solids in treated water which is to be used for the gardening purpose? |
| A. | t1200 mg/L |
| B. | t1100 mg/L |
| C. | t1000 mg/L |
| D. | t500 mg/L |
| Answer» B. t1100 mg/L | |
| 10. |
What is the process by which Total dissolved solids are removed? |
| A. | tReverse Osmosis |
| B. | tUltrafiltration |
| C. | tAdsorption |
| D. | tClarification |
| Answer» B. tUltrafiltration | |