Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 30 m 24 m 20 m 16 m 30 m 24 m 20 m 16 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Under estimates of maximum and average flows All of these Unexpected large scale infiltration of stream water Unexpected increase in the population Under estimates of maximum and average flows All of these Unexpected large scale infiltration of stream water Unexpected increase in the population ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is trebled Is not enough Is only provided Is doubled Is trebled Is not enough Is only provided Is doubled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ O₂ SO₂ CO₂ CO₂ O₂ SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP