Q221
Open questionThe settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is
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Civil Engineering · all questionsWaste Water Engineering
Waste Water Engineering
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Q222
Open questionFor evaporation and measurement of settable solids, the apparatus used, is
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Q223
Open questionAs compared to fresh river water, sea water contains oxygen
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Q224
Open questionYou are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at
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Q225
Open questionThe settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is
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Q226
Open questionSewer manholes are generally provided at
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Q227
Open questionBio-chemical oxygen demand (BOD) for the first 20 days in generally referred to
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Q228
Open questionThe asbestos cement pipes are generally laid
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Q229
Open questionpH value of sludge during alkaline regression stage, is
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Q230
Open questionThe small sewers are cleaned by
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Q231
Open questionDesign period of 40 to 50 years is adopted for
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Q232
Open questionSetting out the alignments of sewers may start from
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Q233
Open questionThe rate of accumulation of sludge per person per year, is
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Q234
Open questionThe sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is
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Q235
Open questionTo maintain aerobic biological activity, the moisture content of the compost mass should be about
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Q236
Open questionA safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of
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Q237
Open questionPick up the incorrect statement from the following for allowing workers to enter sewers
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Q238
Open questionImhoff cone is used to measure
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Q239
Open questionThe normal values of over flow rates for secondary sedimentation tanks, ranges between
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Q240
Open questionThe normal value of over flow rates for plain primary sedimentation tanks, ranges between
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