The bactericidal, virucidal and cysticidal efficiency of chlorine as a disinfectant

Related MCQs

• To keep the water safe against pathogenetic bacteria the residual chlorine should remain between
• To keep the water safe against pathogenetic bacteria the residual chlorine should remain between
• The efficiency of a percolating filter is given by                        
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• The maximum BOD removal efficiency of an oxidation pond is                        
• The efficiency of a percolating filter is given by                        
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• provides only one sewer to carry both foul sewage and rainwater.
• Which of the following device is used for the removal of oil and grease?
• All of the following give Beta and Gamma radiations EXCEPT