Waste Water Engineering

A. 20 m
B. 30 m
C. 45 m
D. 75 m

A. The presence of oxygen
B. The absence of oxygen
C. Both cases A. and B.
D. Neither A. nor B.

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

A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula

A. Acid fermentation
B. Acid regressio
C. Alkaline fermentation
D. None of these

A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec

A. Nitrites are formed
B. Nitrates are formed
C. Carbondioxide is formed
D. Ammonia is formed

A. Branch sewers
B. Main sewers
C. Trunk sewers
D. All the above

A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. None of these

A. 1
B. 2 to 3
C. 3 to 5
D. 5 to 10