Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 1 hour and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour 2 hours 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers All listed here Every change in the size of sewers Distances 150 m to 300 m Upper ends of branch sewers All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, Free board of 0.3 m may be provided All listed here The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided All listed here The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 503 upward 1 in 100 upward 1 in 500 upward 1 in 100 downward 1 in 503 upward 1 in 100 upward 1 in 500 upward 1 in 100 downward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The velocity of flow is restricted to 0.30 m/minute The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute The shape is rectangular Detention period is 2 hours All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is acidic None of these It is neutral It is alkaline It is acidic None of these It is neutral It is alkaline ANSWER DOWNLOAD EXAMIANS APP
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