Q. The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called

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Q. If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is

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Q. For efficient working of a sewer, it must be ensured that

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Q. A manhole is generally provided at each

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Q. Pick up the correct statement from the following :

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Q. The pressure exerted by

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Q. A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is

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Q. The flow velocity in detritus tanks is

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Q. The following is the physical characteristic of sewage

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Q. Acid regression stage of sludge digestion at a temperature 21°C extends over a period of

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Q. If the pH value of sewage is 7

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Q. Pick up the correct statement from the following :

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Q. Pick up the incorrect statement from the following :

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Q. Pick up the correct statement from the following :

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Q. Pick up the correct statement from the following :

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Q. Cement concrete sewers are only suitable if non-scouring velocity is between

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Q. The grit chambers of sewage treatment plants, are generally cleaned after

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Q. The spacing of bars for perforations in coarse screens used for the treatment of sewage, is

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Q. In very first stage of decomposition of the organic matter in sewage

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Q. The underground sewers are more subjected to

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