The specific retention is least in case of
A. Clay
B. Sand
C. Silt
D. Coarse gravel.
Answer: Option D
A. Clay
B. Sand
C. Silt
D. Coarse gravel.
Answer: Option D
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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