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Q: In ground water, the muddy or cloudy appearance of clay or such other particles that presents hindrance to the path of light, is measured by:
  • A. Jackson turbidity meter
  • B. Steven turbidity meter
  • C. Nessler's tubes
  • D. screening
Correct Answer: Option A - Jackson turbidity meter–It is a laboratory method. In ground water the muddy or cloudy appearance of clay or such type other particle that presents hindrance to the path of light is measured by it. • Turbid raw water of natural source has turbidity greater than 25 ppm. Turbidity rod–It is field method. Baylis/Nephelometer–It is based on colour matching technique. • Acceptable limit 1 NTU and rejection value is 5 NTU.
A. Jackson turbidity meter–It is a laboratory method. In ground water the muddy or cloudy appearance of clay or such type other particle that presents hindrance to the path of light is measured by it. • Turbid raw water of natural source has turbidity greater than 25 ppm. Turbidity rod–It is field method. Baylis/Nephelometer–It is based on colour matching technique. • Acceptable limit 1 NTU and rejection value is 5 NTU.

Explanations:

Jackson turbidity meter–It is a laboratory method. In ground water the muddy or cloudy appearance of clay or such type other particle that presents hindrance to the path of light is measured by it. • Turbid raw water of natural source has turbidity greater than 25 ppm. Turbidity rod–It is field method. Baylis/Nephelometer–It is based on colour matching technique. • Acceptable limit 1 NTU and rejection value is 5 NTU.