MCQOPTIONS
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MCQOPTIONS
This section includes 21 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. |
The manhole in which vertical pipe is used for the transfer of sewage from branch to main sewer is __________ |
| A. | Deep manhole |
| B. | Ramp |
| C. | Drop manhole |
| D. | Normal manhole |
| Answer» D. Normal manhole | |
| 2. |
The minimum diameter of the working chamber for a circular manhole is __________ |
| A. | 0.8m |
| B. | 0.9m |
| C. | 1m |
| D. | 1.2m |
| Answer» E. | |
| 3. |
The thickness of the manhole frame is __________ |
| A. | 10cm |
| B. | 15cm |
| C. | 20cm |
| D. | 40cm |
| Answer» D. 40cm | |
| 4. |
The manhole in which inclined pipe for transfer of sewage from branch to main sewer is __________ |
| A. | Deep manhole |
| B. | Ramp |
| C. | Drop manhole |
| D. | Normal manhole |
| Answer» C. Drop manhole | |
| 5. |
The minimum diameter of the access shaft for a circular manhole is __________ |
| A. | 60cm |
| B. | 20cm |
| C. | 30cm |
| D. | 10cm |
| Answer» B. 20cm | |
| 6. |
The minimum thickness of the side wall of the manhole is __________ |
| A. | 50mm |
| B. | 100mm |
| C. | 225mm |
| D. | 300mm |
| Answer» D. 300mm | |
| 7. |
THE_THICKNESS_OF_THE_MANHOLE_FRAME_IS?$ |
| A. | 10cm |
| B. | 15cm |
| C. | 20cm |
| D. | 40cm |
| Answer» D. 40cm | |
| 8. |
The manhole in which vertical pipe is used for the transfer of sewage from branch to main sewer is$ |
| A. | Deep manhole |
| B. | Ramp |
| C. | Drop manhole |
| D. | Normal manhole |
| Answer» D. Normal manhole | |
| 9. |
The_minimum_diameter_of_working_chamber_for_a_circular_manhole_is$ |
| A. | 0.8m |
| B. | 0.9m |
| C. | 1m |
| D. | 1.2m |
| Answer» E. | |
| 10. |
Which device is used to prevent the clogging of sewer pipes? |
| A. | Flushing tank |
| B. | Drop manhole |
| C. | Lamp hole |
| D. | Storm regulators |
| Answer» B. Drop manhole | |
| 11. |
________ removes oil and grease from the sewage. |
| A. | Catch basin |
| B. | Gullies |
| C. | Grease and oil traps |
| D. | Storm regulators |
| Answer» D. Storm regulators | |
| 12. |
Which sewer appurtenance is used for removing rainwater from the roads? |
| A. | Catch basin |
| B. | Gullies |
| C. | Lamp hole |
| D. | Storm regulators |
| Answer» C. Lamp hole | |
| 13. |
Which sewer appurtenance allows lamp in the sewer? |
| A. | Catch basin |
| B. | Drop manhole |
| C. | Lamp hole |
| D. | Storm regulators |
| Answer» D. Storm regulators | |
| 14. |
The manhole in which inclined pipe for transfer of sewage from branch to main sewer i? |
| A. | Deep manhole |
| B. | Ramp |
| C. | Drop manhole |
| D. | Normal manhole |
| Answer» C. Drop manhole | |
| 15. |
The minimum diameter of the access shaft for a circular manhole is |
| A. | 60cm |
| B. | 20cm |
| C. | 30cm |
| D. | 10cm |
| Answer» B. 20cm | |
| 16. |
Into how many types manholes are classified on the basis of depth of manhole? |
| A. | 3 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» B. 5 | |
| 17. |
If the depth of excavation is 4m. What is the thickness of the brick wall of manhole? |
| A. | 12cm |
| B. | 16cm |
| C. | 20cm |
| D. | 26cm |
| Answer» E. | |
| 18. |
Which of the following is situated above the working chamber in a deep manhole? |
| A. | Main sewer |
| B. | Access shaft |
| C. | Branch sewer |
| D. | Channel |
| Answer» C. Branch sewer | |
| 19. |
The minimum thickness of the side wall of the manhole is |
| A. | 50mm |
| B. | 100mm |
| C. | 225mm |
| D. | 300mm |
| Answer» D. 300mm | |
| 20. |
______ provides the working space for maintenance and inspection of sewers. |
| A. | Lamp holes |
| B. | Manholes |
| C. | Flushing tanks |
| D. | Working chamber |
| Answer» E. | |
| 21. |
Which of the following is not a sewer appurtenance? |
| A. | Storm regulator |
| B. | Flushing tank |
| C. | Water tank |
| D. | Manholes |
| Answer» D. Manholes | |