Civil Engineering - Water Supply Engineering
Exercise : Water Supply Engineering - Section 6
31.
The maximum permissible colour for domestic supplies based on cobalt scale, is
32.
The dilution ratio at which the odour is hardly detectable is generally called threshold odour number and for public supplies it should not exceed
33.
The joint used for joining the plain ends of cast iron pipes, is
34.
The bacterias which may survive with or without free oxygen, are called
35.
Detention time for plain sedimentation tank usually ranges from
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