The detention period in a septic tank is:
A30 minutes to 60 minutes
B3 to 6 hours
C6 to 12 hours
D12 to 36 hours
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Related Questions:
Which of these provide the working space for maintenance and inspection of sewer?
From septic tank the effluents are discharged into:
The detention period in coagulation tanks is usually kept as:
The septic tank should be cleaned at regular intervals but should not exceed:
Sewer pipes are made of: