Turbidity of raw water is a measure of
A. Suspended solids
B. Acidity of water
C. B.O.D
D. None of these
Answer: Option A
A. Suspended solids
B. Acidity of water
C. B.O.D
D. None of these
Answer: Option A
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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