Water Use and Management

1.

Multiple Choice

30 sec

1 pt

Often water must be treated to become _______, safe to drink

pathogen

potable

clarified

bonifide

2.

Multiple Choice

30 sec

1 pt

Which of the following is NOT a residential use of water>

cooking and drinking

washing dishes and clothes

washing cars and watering the lawn

watering the crops

showers and toilets

3.

Multiple Choice

30 sec

1 pt

What is the best way to CONSERVE water use in an agricultural setting...

low flow toilets

reuse cooling water

drip irrigation

high power overhead irrigation

4.

Multiple Choice

30 sec

1 pt

The image here is how humans control rivers for the last few hundred years. This is

diverting water thru canels

create an aquaduct

damming a river

desalination plant

5.

Multiple Choice

30 sec

1 pt

Fluoride may be added in...

coagulation.

additional treatment.

second filtration.

aeration.

6.

Multiple Choice

30 sec

1 pt

Which of the following is a disadvantage of dams and reservoirs?

man made lakes used for drinking water, recreation and industry

hydroelectric power

existing ecosystems changed, displacing species and humans

flood control

7.

Multiple Choice

30 sec

1 pt

While expensive and inefficient now, the removal of salt from ocean water may help create more potable water in the future

water transport

towing icebergs

desalination plants

xeriscaping

8.

Multiple Choice

30 sec

1 pt

Many areas of the world without adequate fresh water have become habitable because:

water conservation has been implemented.

icebergs have been towed in to provide fresh water.

water management projects have diverted water to the area.

rainfall patterns have changed.

9.

Multiple Choice

30 sec

1 pt

Layers of sand, gravel, and hard coal remove impurities in...

coagulation.

first filtration.

second filtration.

chlorination.

10.

Multiple Choice

30 sec

1 pt

The largest single use of water for industrial purposes is for

canning and food processing.

cooling.

power production.

washing produce in food processing industries.

11.

Multiple Choice

30 sec

1 pt

This step removes odors and improves taste.

coagulation

first filtration

second filtration

aeration

12.

Multiple Choice

30 sec

1 pt

In general, water use worldwide is dominated by

Agricultural use

Domestic needs

Industrial activities

All of these are sectors that use water about equally

13.

Multiple Choice

30 sec

1 pt

Process used in water treatment process where chemicals like alum is added to water causing flocs- globs of trash that pathogens stick to.

filtration

chlorination

coagulation

bioreactors

14.

Multiple Choice

30 sec

1 pt

Conserving water for residential use would involve

xeriscaping

drip irrigation

reusing cooling water

manufacturing goods

15.

Multiple Choice

30 sec

1 pt

What percent of water is used for industrial use?

5%

19%

40%

67%

16.

Multiple Choice

30 sec

1 pt

The step that prevents bacterial growth is...

coagulation.

additional treatment.

second filtration.

chlorination.

17.

Multiple Choice

30 sec

1 pt

What provides crops with water from sources other than direct precipitation?

Aeration

Irrigation

Coagulation

Xeriscaping

18.

Multiple Choice

30 sec

1 pt

What percent of water is used for Agricultural use?

5%

19%

40%

67%

19.

Multiple Choice

30 sec

1 pt

Large trash items are removed in...

coagulation.

first filtration.

second filtration.

aeration.

20.

Multiple Choice

30 sec

1 pt

A reservoir is...

a place where seawater is stored for desalination.

an artificial lake formed in front of a dam.

the place where all the toilet paper is hoarded.

an artificial lake formed behind a dam.

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