Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank None of these A particle to travel from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers 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 212 cu.m 204 cu.m 216 cu.m 208 cu.m 212 cu.m 204 cu.m 216 cu.m 208 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints All listed here Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 3 m 3.5 m 4.5 m 4 m 3 m 3.5 m 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The depth of tank is kept equal to its width The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The depth of tank is kept equal to its width The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided ANSWER DOWNLOAD EXAMIANS APP
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