Question 1

A leaching field is the area around a landfill into which leachate percolates.

Accepted Answer

A) True 
 B)False

Question 2

In terms of volume,the largest liquid-waste disposal problem is

Accepted Answer

A)  Sewage. 
B)  Toxic industrial chemical waste. 
C)  High-level liquid radioactive waste. 
D)  Wastewater from mineral-processing activities. 
A)  Sewage. 
B)  Toxic industrial chemical waste. 
C)  High-level liquid radioactive waste. 
D)  Wastewater from mineral-processing activities.

Question 3

The time it takes for half the atoms of the isotope to decay is called as the half-life period.

Accepted Answer

A) True 
 B)False

Question 4

All of the following have been proposed as means of disposing of liquid high-level radioactive wastes except

Accepted Answer

A)  A high-temperature incineration to destroy the radioisotopes. 
B)  Disposal in (under) ice sheets. 
C)  Disposal in subduction zones. 
D)  Placement as liquid wastes in bedrock caverns. 
A)  A high-temperature incineration to destroy the radioisotopes. 
B)  Disposal in (under) ice sheets. 
C)  Disposal in subduction zones. 
D)  Placement as liquid wastes in bedrock caverns.

Question 5

Incineration can provide energy as a by-product.Another waste-disposal method that can supply useful fuel is

Accepted Answer

A)  Open dumping with burning. 
B)  Sanitary landfill. 
C)  Composting. 
D)  Deep-well disposal. 
A)  Open dumping with burning. 
B)  Sanitary landfill. 
C)  Composting. 
D)  Deep-well disposal.

Question 6

Conventional waste incineration,at moderate temperatures,

Accepted Answer

A)  Is particularly effective for paper and similar flammable materials. 
B)  Completely destroys toxic organic chemicals. 
C)  Has the advantage of not producing harmful gases. 
D)  All of the choices are correct. 
A)  Is particularly effective for paper and similar flammable materials. 
B)  Completely destroys toxic organic chemicals. 
C)  Has the advantage of not producing harmful gases. 
D)  All of the choices are correct.

Question 7

Because there is still disagreement about the best methods to use,no high-level radioactive wastes have been consigned to permanent disposal sites,anywhere in the world.

Accepted Answer

A) True 
 B)False

Question 8

Advantages of radioactive-waste disposal in bedded salt deposits include all of the following except

Accepted Answer

A)  The fact that salt will flow plastically and self-seal under pressure. 
B)  The high melting temperature of salt, which helps contain heat-producing wastes. 
C)  The abundance of available abandoned salt mines. 
D)  Salt blocks radiation from radioactive decay. 
A)  The fact that salt will flow plastically and self-seal under pressure. 
B)  The high melting temperature of salt, which helps contain heat-producing wastes. 
C)  The abundance of available abandoned salt mines. 
D)  Salt blocks radiation from radioactive decay.

Question 9

The disposal layer at the Waste Isolation Pilot Plant (WIPP)site is

Accepted Answer

A)  Basalt. 
B)  Granite. 
C)  Tuff. 
D)  Bedded salt. 
A)  Basalt. 
B)  Granite. 
C)  Tuff. 
D)  Bedded salt.

Question 10

In the United States,the major share of municipal soil wastes end up in

Accepted Answer

A)  Incineration facilities. 
B)  Open dumps. 
C)  Sanitary landfills. 
D)  Oceans. 
A)  Incineration facilities. 
B)  Open dumps. 
C)  Sanitary landfills. 
D)  Oceans.

Question 11

In the United States,

Accepted Answer

A)  The Waste Isolation Pilot Plant is receiving government-produced transuranic waste. 
B)  The Yucca Mountain Waste Disposal Site is receiving high-level nuclear waste. 
C)  There is almost no nuclear waste material in temporary storage awaiting permanent disposal. 
D)  None of the choices are correct. 
A)  The Waste Isolation Pilot Plant is receiving government-produced transuranic waste. 
B)  The Yucca Mountain Waste Disposal Site is receiving high-level nuclear waste. 
C)  There is almost no nuclear waste material in temporary storage awaiting permanent disposal. 
D)  None of the choices are correct.

Question 12

Wastes dumped in the oceans at present are mainly

Accepted Answer

A)  Highly toxic industrial wastes. 
B)  Radioactive wastes, to keep them away from people. 
C)  Organic wastes. 
D)  Dredge spoils. 
A)  Highly toxic industrial wastes. 
B)  Radioactive wastes, to keep them away from people. 
C)  Organic wastes. 
D)  Dredge spoils.

Question 13

Liquid wastes can be incinerated in specially designed equipment,with most toxic organic compounds destroyed in the process.

Accepted Answer

A) True 
 B)False

Question 14

The Hanford (Washington)Reservation,where high-level liquid radioactive wastes are currently in storage is located near the Columbia River,upstream of Portland,Oregon.

Accepted Answer

A) True 
 B)False

Question 15

Disposal of radioactive wastes in clay-rich sediments of the deep sea floor

Accepted Answer

A)  Is presently banned by international treaty. 
B)  Is not seriously under consideration because of the danger of water pollution. 
C)  Would provide some containment of radioisotopes even in the event of leakage of wastes from canisters. 
D)  Would be impractical because of the instability of the sea floor. 
A)  Is presently banned by international treaty. 
B)  Is not seriously under consideration because of the danger of water pollution. 
C)  Would provide some containment of radioisotopes even in the event of leakage of wastes from canisters. 
D)  Would be impractical because of the instability of the sea floor.

Question 16

For a landfill,which of the following techniques provides an incomplete solution to reducing space?

Accepted Answer

A)  Incineration 
B)  Open dumps 
C)  Sanitary landfills 
D)  Ocean dumping 
A)  Incineration 
B)  Open dumps 
C)  Sanitary landfills 
D)  Ocean dumping

Question 17

Ocean disposal of dredge spoils may cause water-turbidity problems and release toxic metals into seawater.

Accepted Answer

A) True 
 B)False

Question 18

The two methods of handling toxic liquid wastes include

Accepted Answer

A)  Concentrate and disperse and disperse and dilute. 
B)  Concentrate and dilute and contain and disperse. 
C)  Concentrate and disperse and contain and dilute. 
D)  Concentrate and contain and disperse and dilute. 
A)  Concentrate and disperse and disperse and dilute. 
B)  Concentrate and dilute and contain and disperse. 
C)  Concentrate and disperse and contain and dilute. 
D)  Concentrate and contain and disperse and dilute.

Question 19

Each of the following is true about the recycling of paper except

Accepted Answer

A)  Is facilitated when large quantities of one type of paper are involved. 
B)  May conflict with other objectives, such as heat production from incineration. 
C)  The demand on local landfills is increased. 
D)  Requires source separation of solid wastes. 
A)  Is facilitated when large quantities of one type of paper are involved. 
B)  May conflict with other objectives, such as heat production from incineration. 
C)  The demand on local landfills is increased. 
D)  Requires source separation of solid wastes.

Question 20

If one were practicing the dilute-and-disperse approach to disposal of liquid hazardous wastes,one might consider using

Accepted Answer

A)  A conventional sanitary landfill. 
B)  A deep disposal well. 
C)  ocean dumping of the wastes. 
D)  Switching to an alternate, more environmentally responsible approach. 
A)  A conventional sanitary landfill. 
B)  A deep disposal well. 
C)  ocean dumping of the wastes. 
D)  Switching to an alternate, more environmentally responsible approach.

A leaching field is the area around a landfill into which leachate percolates.

In terms of volume,the largest liquid-waste disposal problem is

The time it takes for half the atoms of the isotope to decay is called as the half-life period.

All of the following have been proposed as means of disposing of liquid high-level radioactive wastes except

Incineration can provide energy as a by-product.Another waste-disposal method that can supply useful fuel is

Conventional waste incineration,at moderate temperatures,

Because there is still disagreement about the best methods to use,no high-level radioactive wastes have been consigned to permanent disposal sites,anywhere in the world.

Advantages of radioactive-waste disposal in bedded salt deposits include all of the following except

The disposal layer at the Waste Isolation Pilot Plant (WIPP)site is

In the United States,the major share of municipal soil wastes end up in

In the United States,

Wastes dumped in the oceans at present are mainly

Liquid wastes can be incinerated in specially designed equipment,with most toxic organic compounds destroyed in the process.

The Hanford (Washington)Reservation,where high-level liquid radioactive wastes are currently in storage is located near the Columbia River,upstream of Portland,Oregon.

Disposal of radioactive wastes in clay-rich sediments of the deep sea floor

For a landfill,which of the following techniques provides an incomplete solution to reducing space?

Ocean disposal of dredge spoils may cause water-turbidity problems and release toxic metals into seawater.

The two methods of handling toxic liquid wastes include

Each of the following is true about the recycling of paper except

If one were practicing the dilute-and-disperse approach to disposal of liquid hazardous wastes,one might consider using

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters

Exam 16: Waste Disposal

A leaching field is the area around a landfill into which leachate percolates.

In terms of volume,the largest liquid-waste disposal problem is

The time it takes for half the atoms of the isotope to decay is called as the half-life period.

All of the following have been proposed as means of disposing of liquid high-level radioactive wastes except

Incineration can provide energy as a by-product.Another waste-disposal method that can supply useful fuel is

Conventional waste incineration,at moderate temperatures,

Because there is still disagreement about the best methods to use,no high-level radioactive wastes have been consigned to permanent disposal sites,anywhere in the world.

Advantages of radioactive-waste disposal in bedded salt deposits include all of the following except

The disposal layer at the Waste Isolation Pilot Plant (WIPP)site is

In the United States,the major share of municipal soil wastes end up in

In the United States,

Wastes dumped in the oceans at present are mainly

Liquid wastes can be incinerated in specially designed equipment,with most toxic organic compounds destroyed in the process.

The Hanford (Washington)Reservation,where high-level liquid radioactive wastes are currently in storage is located near the Columbia River,upstream of Portland,Oregon.

Disposal of radioactive wastes in clay-rich sediments of the deep sea floor

For a landfill,which of the following techniques provides an incomplete solution to reducing space?

Ocean disposal of dredge spoils may cause water-turbidity problems and release toxic metals into seawater.

The two methods of handling toxic liquid wastes include

Each of the following is true about the recycling of paper except

If one were practicing the dilute-and-disperse approach to disposal of liquid hazardous wastes,one might consider using

Planet and Population: An Overview

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters