The process of passing water through beds of granular materials, is called
A. Screening
B. Sedimentation
C. Filtration
D. None of these
Answer: Option C
A. Screening
B. Sedimentation
C. Filtration
D. None of these
Answer: Option C
The fire demand of a city may be worked out by
A. Kuichling’s formula
B. Freeman formula
C. Bustan’s formula
D. All the above
Mathamoglobinemia or blue baby disease is caused due to
A. Chlorides
B. Nitrites
C. Nitrates
D. Sulphides
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