Q. Which of the following units is used for measuring the turbidity of water? 1) NTU – Nephelometric Turbidity Units 2) FNU- Formazin Nephelometric Unit 3) EAU Formazin Attenuation Units Select the correct option from the codes given below: Answer:
1, 2 & 3
Notes: Turbidity is the measure of relative clarity of a liquid. The units which are used for measuring the turbidity of water are: (a) NTU – Nephelometric Turbidity Units (b) FNU- Formazin Nephelometric Unit (c) EAU Formazin Attenuation Units