Colloidal impurities if associated with organic matter having bacterias becomes the chief source of

Related MCQs

• The bacterias which do not cause any disease are called pathogenic bacterias.
• The organic impurities in water form a layer on the top of a filtering media. Such a layer is called
• Grit chambers are used to remove sand and other organic matter from sewage.
• Rapid sand filter can remove bacterias upto an extent of
• Sphere shaped bacterias are called
• In high rate activated sludge treatment, bacterias are removed from
• The process of killing pathogenic bacterias from water is called
• Bacterias which cause disease are called
• Slow sand filter is efficient to remove the bacterias from the raw water to an extent of
• Aerobic bacterias takes place in the