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SSC CGL 2022 PYQ — Question 41

SSC CGL - 20 April 2022 - Shift 3 • General Awareness • Q41

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What is the maximum permissible limit of turbidity in potable water as per the Bureau of Indian Standards (BIS)(IS -10500 : 2012)?

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 5 NTU ​​​​​

  • The maximum permissible limit of turbidity in potable water as per the Bureau of Indian Standards (BIS)(IS -10500 : 2012) is 5 NTU.
  • In water, Turbidity is produced by suspended particulate matter like plankton, inorganic and organic matter, silt, clay, as well as another microscopic organisms or colloidal matter, which obstructs light transmission in water.
  • Turbidity level should be maintained between 1 and 5 NTU to keep desirable drinking water quality.