Waste Water Engineering

A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid potassium hydroxide
D. None of these

A. Magnetic compass
B. Theodolite
C. Level
D. Clinometer

A. 213.5 cm/sec
B. 313.5 cm/sec
C. 413.5 cm/sec
D. 500 cm/sec

A. Kinchling
B. Lloyd Davis
C. Frubling
D. All the above

A. Leaping weir
B. Overflow weir
C. Siphon spill way
D. None of these

A. 10 cm
B. 12 cm
C. 15 cm
D. 18 cm

A. Full depth
B. Half full
C. Two third full
D. Three fourth full

A. [(100 + P1)/(100 – P2)] V1
B. [(100 – P1)/(100 + P2)] V1
C. [(100 – P1)/(100 – P2)] V1
D. [(100 + P2)/(100 – P1)] V1

A. Anaerobic decomposition
B. Aerobic decomposition
C. Parasitic decomposition
D. None of these

A. Chezy
B. Manning
C. Bazin
D. Kutter