MCQOPTIONS
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MCQOPTIONS
This section includes 26 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. |
The size of the rainwater pipe commonly used in house drainage is _________ |
| A. | 40 mm |
| B. | 75 mm |
| C. | 90 mm |
| D. | 115 mm |
| Answer» C. 90 mm | |
| 2. |
Bell-type flushing cistern is an example of ___________ |
| A. | Valveless siphonic cistern |
| B. | Valve fitted siphonic cistern |
| C. | Tubeless septic cistern |
| D. | Tube fitted septic cistern |
| Answer» B. Valve fitted siphonic cistern | |
| 3. |
The size of the vent pipe commonly used in house drainage is ________ |
| A. | 30 mm |
| B. | 100 mm |
| C. | 50 mm |
| D. | 75 mm |
| Answer» D. 75 mm | |
| 4. |
Bowl type urinals are used in public buildings while stall type urinals are used in residential buildings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The flushing cistern in the Indian type water closet is normally kept ________ above the closet. |
| A. | 2 metres |
| B. | 4 metres |
| C. | 8 metres |
| D. | 10 metres |
| Answer» B. 4 metres | |
| 6. |
Indian type water closet is used in squatting position while European type water closet cannot be conveniently used in squatting position. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following is not a type of water closets? |
| A. | Indian-type water closet |
| B. | Spanish-type water closet |
| C. | European-type water closet |
| D. | Anglo-Indian type water closet |
| Answer» C. European-type water closet | |
| 8. |
What is the ratio of cement to be used to plaster the drain at the bottom of the camber? |
| A. | 1:1 |
| B. | 1:2 |
| C. | 2:4 |
| D. | 1:3 |
| Answer» C. 2:4 | |
| 9. |
What is the depth of concrete required for half-round channels for surface drains? |
| A. | 50 mm |
| B. | 75 mm |
| C. | 100 mm |
| D. | 105 mm |
| Answer» C. 100 mm | |
| 10. |
What is the size of preferred taps for wash basins? |
| A. | 10 mm |
| B. | 12 mm |
| C. | 14 mm |
| D. | 15 mm |
| Answer» C. 14 mm | |
| 11. |
What is the diameter of flush pipe? |
| A. | 30 mm |
| B. | 32 mm |
| C. | 34 mm |
| D. | 36 mm |
| Answer» C. 34 mm | |
| 12. |
WHAT_IS_THE_DIAMETER_OF_FLUSH_PIPE??$ |
| A. | 30 mm |
| B. | 32 mm |
| C. | 34 mm |
| D. | 36 mm |
| Answer» C. 34 mm | |
| 13. |
What is the depth of concrete required for half-round channels for surface drains?$ |
| A. | 50 mm |
| B. | 75 mm |
| C. | 100 mm |
| D. | 105 mm |
| Answer» C. 100 mm | |
| 14. |
What_is_the_size_of_preferred_taps_for_wash_basins?$ |
| A. | 10 mm |
| B. | 12 mm |
| C. | 14 mm |
| D. | 15 mm |
| Answer» C. 14 mm | |
| 15. |
What is the quantity of powder required in 1000 litres of water for sterilization? |
| A. | 100 grams |
| B. | 150 grams |
| C. | 200 grams |
| D. | 250 grams |
| Answer» C. 200 grams | |
| 16. |
What is the number of coats of paint required for manhole covers? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 17. |
What is the depth of brick masonry required in inspection chambers? |
| A. | 1 m |
| B. | 1.2 m |
| C. | 1.5 m |
| D. | 1.8 m |
| Answer» C. 1.5 m | |
| 18. |
What_is_the_ratio_of_cement_to_be_used_to_plaster_the_drain_at_the_bottom_of_the_camber? |
| A. | 1:1 |
| B. | 1:2 |
| C. | 2:4 |
| D. | 1:3 |
| Answer» C. 2:4 | |
| 19. |
What is the capacity of the preferred low level flushing cistern? |
| A. | 10 litres |
| B. | 15 litres |
| C. | 20 litres |
| D. | 25 litres |
| Answer» C. 20 litres | |
| 20. |
What is the preferred size of water closet pan? |
| A. | 10” |
| B. | 15” |
| C. | 20” |
| D. | 25” |
| Answer» E. | |
| 21. |
What is the expected depth tolerance in bricks? |
| A. | 0.5 mm |
| B. | 1.0 mm |
| C. | 1.5 mm |
| D. | 2.0 mm |
| Answer» D. 2.0 mm | |
| 22. |
What is the standard brick size? |
| A. | 70*100*200 |
| B. | 75*115*225 |
| C. | 75*110*225 |
| D. | 75*115*220 |
| Answer» C. 75*110*225 | |
| 23. |
The mixing time of concrete prior to placement should not exceed 20 minutes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 24. |
What is the maximum specification for water cement ratio? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 25. |
Cast iron pipes should confirm to IS 1729. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 26. |
What is the preferred class of iron pipes? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |