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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% | |