Category: Waste Water Engineering

A. Top of smaller sewer is kept lower
B. Top of larger sewer is kept lower
C. Tops of both the sewers are at the same level
D. None of these

A. 16 m
B. 20 m
C. 24 m
D. 30 m

A. One pipe
B. Two pipes
C. Three pipes
D. Four pipes

A. 1.0 m
B. 2.0 m
C. 3.0 m
D. 4.0 m

A. Nitrites
B. Nitrates
C. Free ammonia
D. Aluminoid nitrogen

A. Bio-Chemical Oxygen Demand (B.O.D.)
B. Dissolved Oxygen (D.O.)
C. Chemical Oxygen Demand (C.O.D.)
D. None of these

A. Parabolic
B. Circular
C. Rectangular
D. New egged

A. Large suspended organic solids
B. Oil and grease
C. Sand and girt
D. Floating materials

A. Over flow rate
B. Surface loading
C. Over flow velocity
D. All the above

A. Domestic sewage
B. Industrial sewage
C. Storm sewage
D. All the above