Water Supply & Sanitation Engineering Online Test - Paper 2
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Water Supply & Sanitation Engineering Online Test – Paper 2

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 30
  • Time Allotted: 30 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
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1. Sewage is treated by aerobic bacteria action in:

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2. Break pressure tank in a water supply system is incorporated to:

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3. The valve provided on the suction pipe in a tube-well is

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4. Sluice valves in main water supplies are

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5. PH value is a symbol for....material:

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6. Dengue is termed as which type of disease?

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7. The gradient to be provided for sewers depends upon:

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8. Groundwater from artesian wells

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9. Non-scouring velocity in concrete sewer is caused by:

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10. To compensate for losses, thefts, and wastage of water, an allowance made of (as per NWSC)

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11. To determine the velocity of flow of underground water, the most commonly used non-empirical formula is

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12. A perched aquifer generally occurs

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13. A circular gravity aqueduct is preferred because of

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14. Traddle pump is operated by

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15. In the above problem 151, using Manning's formula with n = 0.014 then the hydraulic gradient will be

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16. Depth of shallow tube well shall not be more than (considering economic point)

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17. Grit obtained in a grit chamber is used for:

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18. Gravity conduits

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19. Mass curve is used for the determination of

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20. After incubating a 2.5% solution of a sewage sample for 5 days at 20°C, the depletion of oxygen was found to be 5 PPM. The BOD of the sewage will be recorded as:

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21. Water demand for public use as compared to the total demand, kept in the design of waterworks for a city, is

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22. For a 150mm diameter sewer, the gradient required to generate self-cleaning velocity is:

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23. The approximate diameter of a water mains for supplying 7.15 mld with 1.21 m/sec velocity flow will be

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24. A tube well of 38cm diameter has depths before and after pumping at 10.7 m and 4.60, respectively. The coefficient of permeability is 2273 liters per day. If the radius of the circle of influence is 304.8m. The yield from the tube well will be

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25. The most commonly used coagulant is:

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26. At the socket and spigot joint,

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27. Disinfection of water involves.....

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28. Priming is the process of

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29. The process of obtaining energy for their (bacteria) synthesis after the oxidation of organic or inorganic matter is called

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30. For areas of distributed rainfall throughout the year with less intensity, the suitable system of sanitation is:

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