42 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #19 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Hardness of water can be removed by boiling if it is due to ……………. A. Calcium sulphate B. Calcium chloride C. Calcium nitrate D. Calcium bicarbonate 2 / 25 2. The temporary hardness is also known as A. Carbonate hardness B. Non-carbonate hardness C. Both of the above D. None of the above 3 / 25 3. When temporary hard water is boiled, one of the substances formed if it is due to …….. A. Calcium sulphate B. Calcium chloride C. Calcium nitrate D. Carbon dioxide 4 / 25 4. Water of zero hardness is obtained by A. Boiling B. Lime soda process C. Base exchange process D. None of the above 5 / 25 5. By Boiling water, hardness can be removed if it is due to A. Calcium sulphate B. Magnesium sulphate C. Calcium nitrate D. Calcium bicarbonate 6 / 25 6. The organization responsible for implementation of water supply systems in rural areas of Nepal is…… A. DWSS B. NWSC C. KUKL D. WHO 7 / 25 7. R.M.O. means A. Running B. Maintenance C. Operation D. All of the above 8 / 25 8. Responsible authority for operation and maintenance of community water supply system is A. DWSS B. NWSC C. Government D. User's Committee 9 / 25 9. User committee (UC) for O&M of water supply system consists of ……..elected members. A. 5 B. 7 C. 9 D. 11 10 / 25 10. Fencing is done……………………… meter around water source and intake A. 2 to 5 B. 2 to 6 C. 3 to 6 D. 4 to 6 11 / 25 11. Intake should be inspected at every…………………..interval. A. 15 days B. 7 days C. 3 days D. 10 days 12 / 25 12. Blocking of water in pipeline takes place due to A. Solid materials B. air inside pipe C. water supply fittings D. all of the above 13 / 25 13. Which of the following tape used to seal water, gas, and air from leaking through threaded connections? A. Teflon tape B. Thread seal tape C. Both of the above D. None of the above 14 / 25 14. Which of the following papers is used while heating of HDP pipes for making connection? A. Teflon paper B. Teflon tape C. Thread seal tape D. All of the above 15 / 25 15. Water security plan is prepared A. For consumptive use B. For long term minimization of hazards and risks C. For quality water storage D. For community participation 16 / 25 16. The no of served town in Nepal by NWSC A. 12 B. 18 C. 23 D. 38 17 / 25 17. No. of filtration plant in Kathmandu valley A. 10 B. 15 C. 20 D. 25 18 / 25 18. Iron in water causes A. Stains on cloths B. Entrophication C. Rust D. Corrosion 19 / 25 19. Lead in water causes A. Plumbo solvency B. Stains on cloths and paper C. Damages of waters system D. Permanent bluish skin 20 / 25 20. Excess concentration of sodium salts in water causes A. Hardness B. Bitter taste C. Alkalinity D. laxative effect 21 / 25 21. Excess concentration of magnesium salts in water causes A. Hardness B. Bitter taste C. Alkalinity D. laxative effect 22 / 25 22. Length of tunnel of Malachi water supply project is A. 20 km B. 23 km C. 25 km D. 27 km 23 / 25 23. The Longest length of tunnel in Nepal is A. 20 km B. 23 km C. 25 km D. 26.5 km 24 / 25 24. The branch of public health engineering which deals with the preservation and maintenance of health of the individuals and the community by preventing communicable diseases is known as…….. A. Sanitary engineering B. Water supply engineering C. Irrigation engineering D. Bioengineering 25 / 25 25. Types of sanitation are A. Personal sanitation B. Domestic sanitation C. Environmental sanitation D. All of the above Your score is The average score is 45% 0% Restart quiz Exit civil engineermcqcivilpscupscWater Supply & Sanitation