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Q: On which scale the turbidty is measured?
  • A. Platinum scale
  • B. Silica cobalt scale
  • C. Silica platinum scale
  • D. Standard silica scale
Correct Answer: Option D - Turbidity is a measure of the degree to which the water loses its transparency due to presence of suspended particular. It is measured in following units– (a) STU (Silica turbidity unit) (b) JTU (Jackson turbidity unit) (c) NTU (Nephlometric turbidity unit) (d) FTU (Formazine turbidity unit)
D. Turbidity is a measure of the degree to which the water loses its transparency due to presence of suspended particular. It is measured in following units– (a) STU (Silica turbidity unit) (b) JTU (Jackson turbidity unit) (c) NTU (Nephlometric turbidity unit) (d) FTU (Formazine turbidity unit)

Explanations:

Turbidity is a measure of the degree to which the water loses its transparency due to presence of suspended particular. It is measured in following units– (a) STU (Silica turbidity unit) (b) JTU (Jackson turbidity unit) (c) NTU (Nephlometric turbidity unit) (d) FTU (Formazine turbidity unit)