Waste Water Engineering Traps Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 208 cu.m 204 cu.m 212 cu.m 216 cu.m 208 cu.m 204 cu.m 212 cu.m 216 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 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 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Distances 150 m to 300 m Every change in the size of sewers Upper ends of branch sewers All listed here Distances 150 m to 300 m Every change in the size of sewers Upper ends of branch sewers All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1065 mm 1075 mm 1045 mm 1095 mm 1065 mm 1075 mm 1045 mm 1095 mm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS