52 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #12 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. The system in which contamination water from leaky joints due to suction effect during non-supply time is known as A. Open system B. Closed system C. Continuous system D. Intermittent system 2 / 25 2. The advantage of open system: A. Water available for all time B. No household storage C. No stagnation D. All of the above 3 / 25 3. Layout of water supply system for haphazardly developed city is A. Dead end system B. Grid iron system C. Ring system D. Radial system 4 / 25 4. The water supply system whose main sub main and branches are interconnected with each other A. Dead end system B. Grid iron system C. Ring system D. Radial system 5 / 25 5. The maximum chance of recontamination of water in A. Dead end system B. Grid iron system C. Ring system D. Radial system 6 / 25 6. computation of discharge is difficult for A. Dead end system B. Grid iron system C. Ring system D. Radial system 7 / 25 7. The suitable layout of a distribution system for well-planned city is……………system A. Dead end system B. Grid iron system C. Ring system D. Radial system 8 / 25 8. The suitable layout of a distribution system for town or cities having well-planned road is……………system. A. Dead end system B. Grid iron system C. Ring system D. Radial system 9 / 25 9. Layout of water supply system for well-planned city with rectangular pattern is A. Dead end system B. Grid iron system C. Ring system D. Radial system 10 / 25 10. Layout of water supply system for well-planned city with radial pattern is A. Dead end system B. Grid iron system C. Ring system D. Radial system 11 / 25 11. Water supply system used in mostly used in Nepal is A. Dead end system B. Tree end system C. Open end system D. all of the above 12 / 25 12. Maximum number of valve required for the which types of system A. Grid iron system B. Radial system C. Ring system D. Dead end system 13 / 25 13. The layout of the distribution system in which water flows towards periphery is …….. system A. Grid iron system B. Radial system C. Ring system D. Dead end system 14 / 25 14. The suitable layout of a distribution system for irregularly growing town is …….. system A. Grid iron system B. Radial system C. Ring system D. Dead end system 15 / 25 15. The device used for tapping water from main for firefighting, street washing and gardening A. Tap B. well C. Hydrant D. Pump 16 / 25 16. Hydrants are used for tapping water from mains for A. Fire extinguishing B. Street washing C. Flushing sewer lines D. All of the above 17 / 25 17. The minimum size of hydrant is A. 20cm B. 10cm C. 15cm D. 25cm 18 / 25 18. The block of concrete or brick work placed at bent, change in diameter dead end of the pipe is called A. concrete block B. brick block C. Thrust block D. dead end block 19 / 25 19. Thrust block protects pipe from A. Changing its alignment B. Settlement C. Breaking in joints D. All of the above 20 / 25 20. Puits developee is generally provided in case of A. Well B. Tube well C. Reservoir D. All of the above 21 / 25 21. Coefficient of permeability is maximum for A. Clean gravel B. Clay C. Fine sand D. Silt 22 / 25 22. To determine the velocity of flow of underground water, the most commonly used non-empirical formula is A. Darcy’s formula B. Slitcher ‘s formula C. Hazens formula D. Lacy’s formula 23 / 25 23. The depression of water table in well due to pumping will maximum A. At a distance r/2 from the well B. At a distance r from the well C. Close to the well D. None of the above 24 / 25 24. The curve showing level of water in well and original water table is known as A. Inverted cone of depression B. Draw down curve C. Circle of influence D. All of the above 25 / 25 25. The radius of influence of well varies with A. Rate of pumping B. Water table C. Types of well D. None of the above Your score is The average score is 52% 0% Restart quiz Exit civil engineerloksewamcqcivilnecpscupscWater Supply & Sanitation