Category: Waste Water Engineering

A. Average daily rate of flow
B. Average monthly rate of flow
C. Average annual rate of flow
D. Water supply allowance per capita

A. Hydrochloric acid
B. Sulphuric acid
C. Nitric acid
D. Citric acid

A. 6
B. 7
C. 5
D. 6.5

A. cm/minute
B. cm/hour
C. cm/day
D. None of these

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

A. Free board of 0.3 m may be provided
B. The baffles or tees are extended up to top level of scum
C. The clear space between the baffle top and covering slab is about 7.5 cm
D. All the above

A. Fertilizer
B. Building material
C. Chemical for lowering B.O.D.
D. Base material for paints

A. /2
B. /4
C. /3
D. D

A. Must be of adequate size to avoid over flow
B. Must flow under gravity ½ to ¾ full
C. Must be laid at least 2 to 3 m deep to collect /water from the basements
D. All the above

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