Waste Water Management

____________ system is a channel system of pipelines used to carry sewage

• Sewer

• Onsite deposition

Air is blown into the sewage in ____________ tanks

• Sedimentation

• Aeration

________________ is produced by the action of bacteria on the organic matter of sludge

• LPG

• Biogas

Which of the following is not a source of wastewater?

• Hospitals

• Rain

• Mining

• Domestic activities

Which one of these is a mechanical process of treating water?

• Screening of sewage

• Aeration of sewage

• Digestion of sewage

• Addition of chlorine to water

Which one of these is a biological process of treating water?

• Screening of sewage

• Aeration of sewage

• Exposure to ultraviolet light

• Addition of Chlorine water

Which of the following treatments involves addition of chlorine?

• Primary treatment

• Secondary treatment

• Tertiary treatment

• Initial treatment

The ________system transport the sewage from homes to the treatment plants.

• sewage

• sewage pipes

• Smog

• rainwater

what is the process of sewage treatment in order?

• screening, primary treatment, disinfection, secondary treatment

• screening,primary treatment,secondary treatment,disinfection

• disinfection, primary treatment, secondary treatment, screening

• primary treatment, secondary treatment, screening, disinfection

Tags

NGSS.MS-ESS3-3

What is the primary purpose of wastewater treatment?

• To remove solid waste

• To purify water for drinking

• To remove harmful substances and pathogens

• To recycle water for industrial use