ESM444 Past Questions

ESM444

Screening process in water treatment is referred to as the … treatment.
Answer: preliminary

The grit . Is a swimming pool-like tank.
Answer: chamber

Industrial wastewaters are treated to obtain quality water.
Answer: good

Primary treatment of wastewaters refers to the removal of particular materials,
Answer: organic

The screening process removes and grit from water.
Answer: debris

Removal of solids involves the following process except .
Answer: percolation

The following are impurities in wastewaters except .
Answer: suspended gases

Main sources of industrial wastewaters include the following except
Answer: home & office

The treatments of wastewaters involves processes.
Answer: three

Wastewaters can be treated and converted into water.
Answer: portable

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