MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
How can biofilm formation be prevented? |
| A. | tBy installing a microfilter prior to Reverse Osmosis |
| B. | tBy installing a nanofilter prior to Reverse Osmosis |
| C. | tBy installing a ultrafilter prior to Reverse Osmosis |
| D. | tBy installing a pressure sand filter prior to Reverse Osmosis |
| Answer» B. tBy installing a nanofilter prior to Reverse Osmosis | |
| 2. |
Which of these do not cause scaling of the membranes? |
| A. | tOrganic and inorganic colloids |
| B. | tCalcium sulphate |
| C. | tSilica |
| D. | tCalcium carbonate |
| Answer» B. tCalcium sulphate | |
| 3. |
Which of these pollutants cause biofilm formation? |
| A. | tCalcium sulphate |
| B. | tSilica |
| C. | tCalcium carbonate |
| D. | tOxides |
| Answer» E. | |
| 4. |
Operating conditions also affect fouling of the membrane. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 5. |
What is the percentage of earth s salt water? |
| A. | t97% |
| B. | t97.1% |
| C. | t97.2% |
| D. | t97.3% |
| Answer» D. t97.3% | |