Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 1.5 m > 1.5 m 0.9 cm 1.2 m 1.5 m > 1.5 m 0.9 cm 1.2 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out Warning signals should be erected The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out Warning signals should be erected The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 7 6.5 5 6 7 6.5 5 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 50 ppm 150 ppm 100 ppm 200 ppm 50 ppm 150 ppm 100 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
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