The maximum permissible chlorine content for public supplies should be between ?

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Rakesh Kumar

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📊 Public Health Engineering

Q. The maximum permissible chlorine content for public supplies should be between ?

(A) 0.1 to 0.2 ppm
(B) 0.3 to 0.4 ppm
(C) 1.2 to 4 ppm
(D) 6.5 to 8 ppm

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✅ Correct Answer: (A) 0.1 to 0.2 ppm

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