Question 1

Which of the following would not be considered a waste product?

Accepted Answer

A)  Old furniture 
B)  Food scraps 
C)  Dirty dish water 
D)  Used batteries 
E)  All of the above are considered waste products. 
A)  Old furniture 
B)  Food scraps 
C)  Dirty dish water 
D)  Used batteries 
E)  All of the above are considered waste products. E

Question 2

In the context of "reduce, reuse, recycle", an example of reducing is

Accepted Answer

A)  waste combustion for energy recovery. 
B)  dematerialization. 
C)  converting waste plastic bottles into packaging. 
D)  encouraging the use of glass bottle that can be refilled. 
E)  waste mining. 
A)  waste combustion for energy recovery. 
B)  dematerialization. 
C)  converting waste plastic bottles into packaging. 
D)  encouraging the use of glass bottle that can be refilled. 
E)  waste mining. B

Question 3

How much waste does the average American generate per day?

Accepted Answer

A)  45 grams 
B)  50 ounces 
C)  4.5 pounds 
D)  4 kilograms 
E)  0.4 tons 
A)  45 grams 
B)  50 ounces 
C)  4.5 pounds 
D)  4 kilograms 
E)  0.4 tons C

Question 4

Which of the following is not a form of nuclear radiation?

Accepted Answer

A)  Alpha emissions 
B)  Beta emissions 
C)  Gamma radiation 
D)  Delta radiations 
E)  X-rays 
A)  Alpha emissions 
B)  Beta emissions 
C)  Gamma radiation 
D)  Delta radiations 
E)  X-rays

Question 5

The radioactivity of 10 g of 32P will be _______ than 1 g of 32P.

Accepted Answer

A)  10 times greater 
B)  5 times greater 
C)  10 times smaller 
D)  5 times smaller 
E)  None of the above; the two masses of 32P will have equal radioactivity. 
A)  10 times greater 
B)  5 times greater 
C)  10 times smaller 
D)  5 times smaller 
E)  None of the above; the two masses of 32P will have equal radioactivity.

Question 6

Which statement about hazardous waste generation is true?

Accepted Answer

A)  Most radioactive waste is generated by the medical industries. 
B)  Typical households do not generate hazardous waste. 
C)  Hazardous wastes are treated exactly the same way as municipal solid waste. 
D)  Cost and convenience are not factors in hazardous waste disposal. 
E)  A corrosive substance, such as a discarded container of household drain cleaner, is a hazardous waste. 
A)  Most radioactive waste is generated by the medical industries. 
B)  Typical households do not generate hazardous waste. 
C)  Hazardous wastes are treated exactly the same way as municipal solid waste. 
D)  Cost and convenience are not factors in hazardous waste disposal. 
E)  A corrosive substance, such as a discarded container of household drain cleaner, is a hazardous waste.

Question 7

The US nuclear fuel share is approximately _______%.

Accepted Answer

A)  10 
B)  20 
C)  30 
D)  40
E 50 
A)  10 
B)  20 
C)  30 
D)  40
E 50

Question 8

Among aluminum cans, auto batteries, and glass containers, the most recycled item is _______ and the least is _______.

Accepted Answer

A)  glass containers; aluminum cans 
B)  auto batteries; glass containers 
C)  aluminum cans; auto batteries 
D)  auto batteries; aluminum cans 
E)  aluminum cans; glass containers 
A)  glass containers; aluminum cans 
B)  auto batteries; glass containers 
C)  aluminum cans; auto batteries 
D)  auto batteries; aluminum cans 
E)  aluminum cans; glass containers

Question 9

A typical municipal solid waste facility is located near a city but outside the populated areas. This is a result of

Accepted Answer

A)  the desire to provide a new habitat for wild animals. 
B)  access to roads for garbage trucks. 
C)  a compromise between social and economic costs. 
D)  wanting to keep MSW facilities under the protection of city fire and police departments. 
E)  the ease of violating laws and regulations when no one is watching. 
A)  the desire to provide a new habitat for wild animals. 
B)  access to roads for garbage trucks. 
C)  a compromise between social and economic costs. 
D)  wanting to keep MSW facilities under the protection of city fire and police departments. 
E)  the ease of violating laws and regulations when no one is watching.

Question 10

Suppose you have three unbreakable glass vials on a table in front of you, six inches away. Each vial is permanently and safely sealed. The first vial contains a powerful alpha emitter, the second contains a power beta emitter, and the third contains a gamma emitter. Each vial is equally radioactive; that is, each is producing the same number of Bq of its respective radiation. Which of these vials is the most dangerous to you? Why?

Accepted Answer

The alpha emitter is no danger because t

Question 11

Radioisotope Q has a half-life of 1 day and radioisotope J has a half life of 25 days. In comparing the radioactivity of 1 g of Q versus 1 g of J,

Accepted Answer

A)  they have equal radioactivity. 
B)  Q has 1/25 the radioactivity of J. 
C)  Q has 2.5 times less radioactivity than J. 
D)  Q has 25 times more radioactivity than J. 
E)  A comparison cannot be made unless we know the temperature. 
A)  they have equal radioactivity. 
B)  Q has 1/25 the radioactivity of J. 
C)  Q has 2.5 times less radioactivity than J. 
D)  Q has 25 times more radioactivity than J. 
E)  A comparison cannot be made unless we know the temperature.

Question 12

If Yucca Mountain were to open tomorrow and started accepting nuclear waste, it would have a capacity for about 75,000 tons of high-level nuclear waste. The US has more than half that amount waiting for disposal, plus another 2,000 tons generated per year. What is the implication of this information in terms of radioactive waste disposal?

Accepted Answer

Although Yucca Mountain will answer our

Question 13

The measure of the extent to which a radioisotope would be retained by sediment is called

Accepted Answer

A)  equilibrium. 
B)  deposition. 
C)  partition coefficient. 
D)  infiltration. 
E)  imposition. 
A)  equilibrium. 
B)  deposition. 
C)  partition coefficient. 
D)  infiltration. 
E)  imposition.

Question 14

Refer to the table below showing the generation, materials recovery, composting, combustion with energy recovery, and discards of MSW from 1960 to 2101 (in millions of tons). What is the most alarming trend in the table? What is the most promising trend?
   (Source: http://www.epa.gov/osw/nonhaz/municipal/msw99.htm)

Accepted Answer

The fact that the generation of waste ha

Question 15

What is material substitution? Give a simple but effective example.

Accepted Answer

Material substitution is the use of alte

Question 16

Refer to the figure below showing the US MSW generation rates from 1960 to 2010. Explain the trend in per capita waste generation from 1960-1990 compared to 1990-2010.
   (Source: http://www.epa.gov/osw/nonhaz/municipal/msw99.htm)

Accepted Answer

From 1960-1990, per capita waste generat

Question 17

Compare and contrast waste mining and dematerialization.

Accepted Answer

Waste mining and dematerialization both

Question 18

More than 90% of the radioisotopes on Earth are naturally occurring. Are these radioisotopes safe? Explain.

Accepted Answer

Many toxic substances are naturally occu

Question 19

The waste product that currently has the highest recycling rate (>95%) is

Accepted Answer

A)  aluminum cans. 
B)  steel cans. 
C)  car batteries. 
D)  plastic (HDPE or PET) bottles. 
E)  tires. 
A)  aluminum cans. 
B)  steel cans. 
C)  car batteries. 
D)  plastic (HDPE or PET) bottles. 
E)  tires.

Question 20

The country with the highest nuclear fuel share percentage is

Accepted Answer

A)  Ukraine. 
B)  Japan. 
C)  Korea. 
D)  France. 
E)  China. 
A)  Ukraine. 
B)  Japan. 
C)  Korea. 
D)  France. 
E)  China.

Which of the following would not be considered a waste product?

In the context of "reduce, reuse, recycle", an example of reducing is

How much waste does the average American generate per day?

Which of the following is not a form of nuclear radiation?

The radioactivity of 10 g of ³²P will be _______ than 1 g of ³²P.

Which statement about hazardous waste generation is true?

The US nuclear fuel share is approximately _______%.

Among aluminum cans, auto batteries, and glass containers, the most recycled item is _ and the least is _.

A typical municipal solid waste facility is located near a city but outside the populated areas. This is a result of

Radioisotope Q has a half-life of 1 day and radioisotope J has a half life of 25 days. In comparing the radioactivity of 1 g of Q versus 1 g of J,

The measure of the extent to which a radioisotope would be retained by sediment is called

What is material substitution? Give a simple but effective example.

Refer to the figure below showing the US MSW generation rates from 1960 to 2010. Explain the trend in per capita waste generation from 1960-1990 compared to 1990-2010. (Source: http://www.epa.gov/osw/nonhaz/municipal/msw99.htm)

Compare and contrast waste mining and dematerialization.

More than 90% of the radioisotopes on Earth are naturally occurring. Are these radioisotopes safe? Explain.

The waste product that currently has the highest recycling rate (>95%) is

The country with the highest nuclear fuel share percentage is

The Scientific Method

Risk and Uncertainty

Biodiversity

Evolutionary Responses

Human Population Dynamics

Endangered Species

Interactions Among Species

Natural Resource Use and Planning

Energy Resources

Water Resources

Atmosphere and Climate

Air Pollution

Policy, Ethics, and Decision-Making

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Exam 11: Waste Management

Which of the following would not be considered a waste product?

In the context of "reduce, reuse, recycle", an example of reducing is

How much waste does the average American generate per day?

Which of the following is not a form of nuclear radiation?

The radioactivity of 10 g of 32P will be _______ than 1 g of 32P.

Which statement about hazardous waste generation is true?

The US nuclear fuel share is approximately _______%.

Among aluminum cans, auto batteries, and glass containers, the most recycled item is _______ and the least is _______.

A typical municipal solid waste facility is located near a city but outside the populated areas. This is a result of

Radioisotope Q has a half-life of 1 day and radioisotope J has a half life of 25 days. In comparing the radioactivity of 1 g of Q versus 1 g of J,

The measure of the extent to which a radioisotope would be retained by sediment is called

What is material substitution? Give a simple but effective example.

Refer to the figure below showing the US MSW generation rates from 1960 to 2010. Explain the trend in per capita waste generation from 1960-1990 compared to 1990-2010. (Source: http://www.epa.gov/osw/nonhaz/municipal/msw99.htm)

Compare and contrast waste mining and dematerialization.

More than 90% of the radioisotopes on Earth are naturally occurring. Are these radioisotopes safe? Explain.

The waste product that currently has the highest recycling rate (>95%) is

The country with the highest nuclear fuel share percentage is

The Scientific Method

Risk and Uncertainty

Biodiversity

Evolutionary Responses

Human Population Dynamics

Endangered Species

Interactions Among Species

Natural Resource Use and Planning

Energy Resources

Water Resources

Atmosphere and Climate

Air Pollution

Policy, Ethics, and Decision-Making

Filters

The radioactivity of 10 g of ³²P will be _______ than 1 g of ³²P.

Among aluminum cans, auto batteries, and glass containers, the most recycled item is _ and the least is _.