A rainfall may be classified as acidic if its pH value is less or equal to________________?
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is___________________?
The recommended detention period for grit chambers is_______________?
For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed__________________?
In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is_______________?
The design period of sewage treatment works in normally_________________?
Oxidation process results in the formation of___________________?
The sewerage system consists of______________________?
The minimum diameter of sewer to be adopted is_________________?
The porosity of sediments in sewer pipes, is usually taken as___________________?
