MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the correct statement from the following regarding Cast iron sewer. |
| A. | They have low internal pressure |
| B. | They are not leakage proof |
| C. | They cannot withstand heavy external loads |
| D. | They are preferred in water supply lines |
| Answer» E. | |
| 2. |
The range of diameter of cast iron sewer is __________ |
| A. | 20-100mm |
| B. | 150-750mm |
| C. | 40-250mm |
| D. | 100-250mm |
| Answer» C. 40-250mm | |
| 3. |
The cement concrete sewers are lined with vitrified clay lining to prevent __________ |
| A. | Dampness of sewer |
| B. | Algae growth in the sewer |
| C. | Crown corrosion |
| D. | Foul smell of sewer |
| Answer» D. Foul smell of sewer | |
| 4. |
The crown corrosion takes place due to formation of __________ |
| A. | CO<sub>2</sub> |
| B. | H<sub>2</sub>O |
| C. | H<sub>2</sub>S |
| D. | HCl |
| Answer» D. HCl | |
| 5. |
The grade of concrete used in plain cement concrete sewer is __________ |
| A. | M5 |
| B. | M10 |
| C. | M15 |
| D. | M20 |
| Answer» E. | |
| 6. |
The diameter of plain cement concrete pipes used for sewerage system is __________ |
| A. | 20mm |
| B. | 30mm |
| C. | 90mm |
| D. | 63mm |
| Answer» D. 63mm | |