The permissible pH for public water supplies may range between
A4.5 to 5.5
B5.5 to 6.5
C6.5 to 8.5
D8.5 to 10.5
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
If an element is subjected to pure shearing stress q, then the maximum principal stress equals
The purest form of iron with low carbon content, normally less than 0.15 percent
Bearing Capacity of water logged soil may be improved by
Simpson's rule is used for
In air conditioned building glass recommended for use is: