Q. In SI units the power of sound is represented in

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Q. A rain sanitary sewer is constructed to carry

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Q. If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is

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Q. An inverted siphon is designed generally for

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Q. A rainfall may be classified as acidic if its pH value is less or equal to

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Q. When drainage to sewage ratio is 20, the peak dry weather flow is

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Q. For treating the sewage of a large city, you will recommend

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Q. Clogging of sewers, is caused due to

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Q. A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is

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Q. The coagulant widely used for sewage treatment, is

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Q. House connections to the laterals is generally made by

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Q. The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is

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Q. Dilution method of disposing off sewage, is not preferred to

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Q. For house drainage minimum gradient is

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Q. If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is

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Q. The ratio of minimum hourly flow to the average flow of sewage is

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Q. Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to

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Q. The sewage is pumped up

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Q. Removal of oil and grease from sewage, is known

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Q. The gas which may cause explosion in sewers, is

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