Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Pneumatic ejector None of these Reciprocating pump Centrifugal pump Pneumatic ejector None of these Reciprocating pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually Equal to zero Less than 7 More than 7 Equal to 7 Equal to zero Less than 7 More than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Building material Fertilizer Chemical for lowering B.O.D. Base material for paints Building material Fertilizer Chemical for lowering B.O.D. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS