Waste Water Engineering

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm

A. 2 hours
B. 3 hours
C. 4 hours
D. 5 hours

A. Velocity of flow
B. Viscosity of water
C. Size and shape of solid
D. All the above

A. 0.30 m/sec
B. 0.35 m/sec
C. 0.40 m/sec
D. 0.45 m/sec

A. House sewer
B. Lateral sewer
C. Branch sewer
D. Sewer outfall

A. CO
B. SO2
C. CO2
D. O3

A. 100 cm
B. 120 cm
C. 140 cm
D. 160 cm

A. Turbidity
B. Colour
C. Odour
D. All the above

A. Alkaline
B. Acidic
C. Highly decomposed
D. A source of objectionable odour

A. Average demand
B. Twice the average demand
C. Thrice the average demand
D. Four times the average demand