1. Civil Engineering
  2. Environmental Engineering
  3. In case of public supplies, the maximum ...
Q.

In case of public supplies, the maximum permissible nitrite content is

A. 250 ppm
B. 100 ppm
C. 50 ppm
D. 200 ppm
E. zero ppm
Answer» E. zero ppm
View all MCQs in:   Environmental Engineering

Discussion