A. Lung cancer
B. Skin cancer
C. Bronchitis
D. Heart disorder
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. Filtration process is used
B. Biological action is used
C. Neither A. nor B.
D. Both A. and B.
A. Status company
B. Big income
C. Known owners
D. Goodwill
A. Hydrogen sulphide
B. Carbon dioxide
C. Methane
D. Oxygen
A. 2 meters of water column
B. 3 meters of water column
C. 3.5 meters of water column
D. 4 m of water column
E. none of the above
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