MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 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. |
Which of the following is not correct with respect to the effect of oil on treatment systems? |
| A. | tFoam formation |
| B. | tToxic to anaerobic bacteria |
| C. | tInterferes with settling |
| D. | tExplosive with pure oxygen |
| Answer» B. tToxic to anaerobic bacteria | |
| 2. |
What is the maximum pH that the bacteria can sustain in terms of alkalinity? |
| A. | t7 |
| B. | t7.5 |
| C. | t8 |
| D. | t8.5 |
| Answer» E. | |
| 3. |
Which of the following is not a volatile organic compound? |
| A. | tHydrochloric acid |
| B. | tAcetaldehyde |
| C. | tFormaldehyde |
| D. | tDichloromethane |
| Answer» B. tAcetaldehyde | |
| 4. |
The formation of ferrous sulphide leads to the blackening of water. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |