Chapter 2 WW
Pick me WW chapter 2
Chapter 2 Terms WW
Chapter 2 and 3 WW
Chapter 3 WW
100

All organic materials have one thing in common, they all contain basic minerals.

A. True

B. False

What is (B) False

All organic materials have one thing in common, they all contain carbon.

100

What is an inorganic waste?

A. waste material such as sand, salt, iron, or calcium

B. waste material that may come from animal or plant sources.

C. wastes that could come from hospitals, research laboratories, and nuclear power plants.

D. Wastewater that may come from cooling processes used by industry. 

What is (A)

Waste material such as sand, salt, iron, or calcium

100

These bacteria live and reproduce only in an environment containing oxygen that is available for their respiration.

A. Anaerobic

B. Aerobic

C. Facultative

D. Filamentous

What is (B)

Aerobic Bacteria

100

Four types of pollution are:

A. organic, inorganic, thermal, radioactive

B. organic, anaerobic, facultative, digestive

C. inorganic, thermal, algae, grit

D. anaerobic, aerobic, facultative, anoxic

What is (A)

organic, inorganic, thermal, radioactive

100

This heavy material present in wastewater such as sand, coffee grounds, eggshells, gravel, and cinders. Has two names:

A. Grit

B. Algae

C. Organics

D. Anaerobic Sludge

What is (A)

Grit, also called detritus.

200

One of the primary functions of a treatment plant is the removal of solids from wastewater.

A. True

B. False

What is (A) True

200

The stabilization of waste means which of the following?

A. to convert the waste to a form that resist change

B. To flatten the waste

C. To remove all food for bacteria

D. To shrink the waste

What is (A)

To convert the waste to a form that resists change

200

A group of bacteria found in the intestines of warm blooded animals and also in plants, soil, air, and water. Their presence is an indication the water is polluted. 

A. Filamentous

B. Stalked Ciliates

C. Coliform

D. Water bears

what is (C)

Coliform Bacteria

200

This gas has a rotten egg smell at low doses and is undetectable at high doses. It causes damage to metal and concrete. 

A. Hydrogen Oxide

B. Sulfur Dioxide

C. Hydrogen sulfide

D. Nitrogen

What is (C)

Hydrogen Sulfide

200

A sewer designed to carry both sanitary wastewater and stormwater or surface water runoff.

A. Combined sewer

B. Storm sewer

C. Sanitary sewer

D. Secondary sewer

what is (A)

Combined sewer

300

Operators try to kill or inactivate pathogenic organisms by sterilization.

A. True

B. False

What is (B) false. 

Operators try to kill or inactivate pathogenic organisms by disinfection. 

300

What is an operators best defense against infections and diseases?

A. Good personal hygiene

B. personal protective equipment

C. regular physical examinations

D. use of detergents. 

What is (A)

Good personal hygiene

300

What are sludge particles produced in raw or settled wastewater (primary effluent) by the growth of organisms in aeration basin in the presence of oxygen?

What is activated sludge?

300

When ____ cycles become disrupted and there is no dissolved oxygen in the receiving water, these waters become septic, stink, and look terrible. 

A. Oxygen Cycles

B. Nutrient Cycles

C. Atmospheric Cycles

D. Water Cycles

What is (B)

Nutrient cycles

300

The material in a trickling filter on which slime accumulates and organisms grow. 

A. Zoogleal rock

B. Media

C. Humus

D. Supernatant

what is (B)

Media


Can be rock, plastic, wood

400

What is the definition of pollution? 

A. any discharge of waste to a body of water

B. any interference with the beneficial reuse of water

C. any substance that is toxic or hazardous

D. anything that is odorous or unsightly. 

What is (B)

Any interference with the beneficial reuse of water

400

Why are floatable solids undesirable in the plant effluent?

A. color of floatable presents a colorful appearance

B. floatable tend to cause tastes in fish

C. odors produced by floatable smell like rotten eggs

D. the sight of floatable in receiving waters indicates the presence of inadequately treated wastewater. 

What is (D)

the sight of floatable in receiving waters indicates the presence of inadequately treated wastewater. 

400

The removal or destruction of all microorganisms, including pathogens and other bacteria. 

A. Disinfection

B. Sterilization

C. Transpiration

D. Pollution

what is (B)

Sterilization

400

This liquid is removed from settled sludge. It is commonly referred to as the liquid between the sludge on the bottom and the scum on the surface of an anaerobic digester. 

A. Zoogleal mass

B. Humus

C. Supernatant

D. Influent

What is (C)

Supernatant

400

Both trickling filter and the activated sludge treatment processes are anaerobic biological treatment processes. 

A. True

B. False

What is (B)

False

Trickling filter and activated sludge treatment processes are aerobic biological treatment processes.

500

What is organic waste?

A. Waste material such as sand, salt, iron, or calcium

B. waste material that may come from animal or plant sources.

C. wastes that could come from hospitals, research laboratories, and nuclear power plants. 

What is (B)

Waste material that may come from animal or plant sources. 

500

What is the objection to treated wastewater containing nutrients?

A. nutrients act as fertilizer in crop irrigation water

B. nutrients are capable of encouraging excess algae and plant growth in receiving waters

C. nutrients create extreme pH levels

D. nutrients produce tastes and odors in drinking water

What is (B) 

nutrients are capable of encouraging excess algae and plant growth in receiving waters. 

500

Bacteria, viruses, cysts, or protozoa that can cause diseases (typhoid, cholera, dysentery)in a host such as a person. 

A. Pathogenic

B. Coliform

C. Filamentous

D. Algae

What is (A) 

 (Pathogenic)


500

The most common type of pond in current use. The upper portion is aerobic while the bottom layer is anaerobic. Algae supplies most oxygen.

A. Facultative

B. Anaerobic

C. Aerobic

D. Storm

What is (A)

Facultative

500

Algae in ponds produce oxygen for the other organisms to use.

A. True

B. False

What is (A)

True


Algae and other plant life growth through photosynthesis.

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