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Q.1) The suitable method of forecasting population for a young and rapidly increasing city is : A) Arithmetical increase method B) Geometrical increase method C) Incremental increase method D) Graphical method Answer Option (B) Q.2) The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about : A) 0.01…
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Q.1) Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine : A) Hardness in water B) Turbidity in water C) Dissolved oxygen in water D) Residual chlorine in water Answer Option (A) Q.2) Turbidity is measured on – A) Standard silica scale B) Standard cobalt scale C) Standard platinum scale D) Platinum…
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Q.1) In case of laying gullies, siphons, intercepting traps, the cost includes – A) Setting and Laying B) Bed concreting C) Connection to drains D) All of the above Answer Option (D) Q.2) Which of the following represents the value of hourly variation factor? A) 1.2 B) 1.5 C) 1.7 D) 2.5 Answer Option (B)…
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Q.1) Pollution potential of domestic sewage generated in a town and its industrial sewage can be compared with reference to : A) Their BOD value B) Population equivalent C) Their volume D) The relative density Answer Option (B) Q.2) For which of the following, distribution mains is designed? A) Average daily demand B) Annual peak…
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Q.1) The water obtained from…….is generally known as sub-surface water. A) Rains B) Rivers C) Reservoirs D) Artesian wells Answer Option (D) Q.2) The portion of soil through which lateral movement of water takes place is called – A) Water table B) An aquiclude C) Zone of saturation D) An aquifuge Answer Option (C) Q.3)…
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Q.1) The removal of dissolved organic matter occurs in – A) Slow sand filters B) Trickling filters C) Rapid sand filters D) Dual media filters Answer Option (A) Q.2) A Galvanised Iron (G.I.) pipe has a coating of – A) Zinc B) Lead C) Silver D) Aluminium Answer Option (A) Q.3) The presence of ozone…
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Q.1) The vertical wells provided along the banks of a river to draw ground water in dry season are called : A) Open wells B) Tube wells C) Artesian wells D) Infiltration wells Answer Option (D) Q.2) The yield of the well depends upon the – A) Permeability of the soil B) Position of water…
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Q.1) The water obtained from the tube wells is known as : A) Surface water B) Sub-surface water C) Run-off D) Potable water Answer Option (B) Q.2) A pipe sunk into the ground to tap the underground water is called – A) Open well B) Tube well C) Artesian well D) Infiltration well Answer Option…
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