The void spaces in the filtering material act like a

Related MCQs

• The organic impurities in water form a layer on the top of a filtering media. Such a layer is called
• The temporary hardness in water is cused due to the salts like
• The amount of oxygen consumed by sewage from an oxidising agent like potassium dichromate is termd as
• The permanent hardness in water is caused due to the salts like
• A pipe used to carry discharge from sanitary fittings like bathrooms, kitchens etc, is called
• The process of purifying water by passing it through a bed of fine granular material, is called