The bacterias which may survive with or without free oxygen, are called

Related MCQs

• Bacterias which can survive with or without free oxygen, are known
• The bacterias which require free oxygen for their survival, are called
• The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known
• 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of
• Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be
• Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?
• The gas which may cause explosion in sewers, is
• The maximum pressure to which cast iron pipes may be subjected to, is
• The grit and silt of the grit chambers, may not be used for
• For detecting the nitrates in sewage, the colour may be developed by adding