30 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question #13 Water Supply & Sanitation Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. The distance between main well to zero drawdown point A. Radius of influence B. Incrustation C. Drawdown curve D. all of the above 2 / 25 2. The slope of hydraulic grade line is always towards the well due to pumping. This line of depressed water table is called A. Inverted cone of depression B. Draw down curve C. Circle of influence D. All of the above 3 / 25 3. Water shed control method is used to control A. Water in pipe line B. Sedimentation in reservoir C. Algae in reservoir D. Bacteria in water 4 / 25 4. The entrance of rain water into the ground is known A. Percolation B. Infiltration C. Transpiration D. Losses 5 / 25 5. The process of removing the trapped air from the pump and filling completely with water A. Priming B. Tuberculation C. Puits developed D. Incrustation 6 / 25 6. The interior surface of the pipe develops projections is called A. Priming B. Tuberculation C. Puits developee D. Incrustation 7 / 25 7. Tuberculation is caused in a metal pipe due to A. Sulphur reducing bacteria B. Nitrogen reducing bacteria C. Oxygen reducing bacteria D. Phosphorus of total water demand 8 / 25 8. Incrustation of well pipes can be reduced by: A. Using screen having large area B. Using acid resistant material screen C. Removing incrusted deposit D. Reducing pumping rate 9 / 25 9. Corrosion of well pipes can be reduced by: A. Using thicker B. Reducing the flow velocity C. Reducing the draw down D. All of the above 10 / 25 10. PH value of drinking water should be A. 6.5 to 8.5 B. 5.5 to 7.0 C. 7.0 to 9.5 D. 5.5 to 9.5 11 / 25 11. PH value of drinking water should be close to A. 6 B. 7 C. 8 D. 9 12 / 25 12. PH value is symbol for …………..material A. hydrogen B. magnesium C. calcium D. sodium 13 / 25 13. Pick up the correct statement A. if PH<7 then sewage is acidic B. if PH>the sewage is alkaline C. if PH= 7 The sewage is neutral D. all of the above 14 / 25 14. A geological formation which not only stores water but yields its sufficient quantity is known as A. Aquifer B. Aquifuse C. Aquiclude D. Aquitard 15 / 25 15. An aquiclude is A. A non-artesian aquifer B. A large underground water body C. A confined bed in impervious materials between aquifer D. An artesian aquifer 16 / 25 16. Water bearing stratum which holds water below the ground A. Aqiclude B. Aquifer C. Aquifog D. Aquitard 17 / 25 17. The aquifer having least water bearing capacity is A. Confined B. Unconfined C. Perched D. None of the above 18 / 25 18. An aquifer confined at bottom and not at top is called………..aquifer A. Leaky B. Confined C. Unconfined D. Purched 19 / 25 19. The water which is not chemically pure but doesn’t contain anything harmful to human health. A. Pure water B. Wholesome water C. Pullulated water D. Contaminated water 20 / 25 20. The sterilized water is generally used for the purpose of A. Domestic B. Medical C. Public D. All of the above 21 / 25 21. Disease cause by the use of contaminated or polluted water is termed as ………. disease. A. Water borne B. Water based C. Water washed D. Water vector 22 / 25 22. If water carrying pathogens are entered into the body with drinking water, they caused…………….diseases. A. Water borne B. Water based C. Water washed D. Water vector 23 / 25 23. The types of diseases caused due to lack of use of water is known as A. Water borne B. Water based C. Water washed D. Water vector 24 / 25 24. The bacteria which enter into the body through skin caused……………..diseases. A. Water borne B. Water based C. Water washed D. Water vector 25 / 25 25. The disease caused by the biting of bacteria or insect is known as…… A. Water borne B. Water based C. Water washed D. Water vector Your score is The average score is 46% 0% Restart quiz Exit civil engineernecpscupscWater Supply & Sanitation