Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Glazed bricks sewers Cast iron sewers Stone ware sewers Cement concrete sewers Glazed bricks sewers Cast iron sewers Stone ware sewers Cement concrete sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Free ammonia Aluminoid nitrogen Nitrites Nitrates Free ammonia Aluminoid nitrogen Nitrites Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called None of these Imhoff tanks Sludge sedimentation tanks Trickling filters None of these Imhoff tanks Sludge sedimentation tanks Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers None of these Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level None of these Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Degradation Recovery Cleaner water Active decomposition Degradation Recovery Cleaner water ANSWER DOWNLOAD EXAMIANS APP
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 30 minutes 1 hour 2 hours 1 hour and 30 minutes 30 minutes 1 hour 2 hours ANSWER DOWNLOAD EXAMIANS APP
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