Water Quality and Uses Quiz

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What is the main purpose of treating raw water?

To remove suspended solids and pollutants

To make it suitable for public or industrial water supply (correct)

To increase its dissolved solids content

To increase its turbidity

Which of the following is NOT listed as a main use of water in the text?

Dilution and transport of waste

Breeding of terrestrial species (correct)

Preservation of aquatic life

Generation of electricity

What happens to water quality as it transitions from raw wastewater to treated wastewater?

Its main pollutants are removed (correct)

It decreases in dissolved solids content

It becomes more turbid

It gains suspended solids

How does human interference impact water quality based on the text?

Degrades water quality by adding pollutants (D) Signup and view all the answers

What is the role of stormwater systems in the context of water quality?

To collect stormwater and prevent pollution (D) Signup and view all the answers

Which category of water usage involves dilution and transport of waste?

Recreation and leisure (D) Signup and view all the answers

What is the traditional aim of wastewater treatment?

To dispose of wastewater safely without posing a danger to public health (B) Signup and view all the answers

What is the main composition of wastewater by mass?

99.9% water (D) Signup and view all the answers

How are natural conditions within the catchment area related to surface water quality?

Even with natural conditions preserved, surface water quality is impacted by rainfall runoff (A) Signup and view all the answers

Which of the following is not a common contaminant found in wastewater?

Non-biodegradable dissolved organic compounds (A) Signup and view all the answers

What characterizes water quality according to the text?

Water quality is a result of natural phenomena and human activities (D) Signup and view all the answers

Apart from safe disposal, what other important aim of wastewater treatment is mentioned in the text?

To recover energy and nutrients from wastewater (C) Signup and view all the answers

Which mechanism results in new modifications to water quality upon reaching the receiving body?

Dilution and self-purification (B) Signup and view all the answers

What is the term used to describe the addition of substances or energy forms that negatively affect the legitimate uses of a water body?

Water pollution (D) Signup and view all the answers

Which statement is true regarding point-source pollution?

It results from outfalls of domestic and industrial wastewater. (A) Signup and view all the answers

What type of pollution occurs when pollutants enter the water body at various locations along its length?

Non-point source pollution (C) Signup and view all the answers

Which factor contributes to the self-purification of water bodies?

Natural conditions and mechanisms (A) Signup and view all the answers

What impact does the discharge of domestic and industrial wastewater usually have on water bodies?

Point-source pollution (D) Signup and view all the answers