Waste Water Engineering

A. Bend
B. Junction
C. Change of gradient
D. All the above

A. 100
B. 60
C. 40
D. 20

A. 1045 mm
B. 1065 mm
C. 1075 mm
D. 1095 mm

A. Flow velocity is kept 0.09 m/sec
B. Detention period is kept 3 to 4 minutes
C. Organic and inorganic materials are separated
D. All the above

A. Perpendicular to the direction of flow
B. Parallel to the direction of flow
C. At an angle 30° to 60° to the direction of flow
D. None of these

A. Typhoid
B. Cholera
C. Dysentery
D. All the above

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

A. 50 m
B. 100 m
C. 200 m
D. 300 m

A. Septic tanks are horizontal continuous flow type of sedimentation tanks
B. Septic tanks are generally provided a detention period of 12 to 36 hours
C. Septic tanks are completely covered and high vent shafts are provided for the escape of foul gases
D. None of these

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