The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is
A. Steel
B. Cast iron
C. Copper
D. Reinforced cement concrete
Answer: Option B
Related Questions on Environmental Engineering
The distribution mains are designed for
A. Maximum daily demand
B. Maximum hourly demand
C. Average daily demand
D. Maximum hourly demand on maximum day
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
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