MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The reduction of carbon dioxide by cascade aerators is in the range of __________ |
| A. | 10-20% |
| B. | 20-30% |
| C. | 40-50% |
| D. | 50-60% |
| Answer» E. | |
| 2. |
Micro strainers are used to remove color in water. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The head loss through screen depends on _______________ |
| A. | Shape of screen elements |
| B. | Open area, block area |
| C. | Approach velocity |
| D. | Nature of their construction, approach velocity |
| Answer» E. | |
| 4. |
What is the size of the coarse screen used in pretreatment of water? |
| A. | 25mm |
| B. | 50mm |
| C. | 75mm |
| D. | 100mm |
| Answer» B. 50mm | |