Question 1

The membrane-filtration method of desalination

Accepted Answer

A)  Works well only on water with low concentrations of dissolved impurities. 
B)  Is efficient but extremely slow compared to other methods. 
C)  Is prohibitively expensive; it would increase the cost of water beyond the reach of most homeowners. 
D)  All of the choices are correct. 
A)  Works well only on water with low concentrations of dissolved impurities. 
B)  Is efficient but extremely slow compared to other methods. 
C)  Is prohibitively expensive; it would increase the cost of water beyond the reach of most homeowners. 
D)  All of the choices are correct.

Question 2

Properly,groundwater is

Accepted Answer

A)  All subsurface water. 
B)  Water in the vadose zone. 
C)  Water in the saturated zone. 
D)  Soil moisture. 
A)  All subsurface water. 
B)  Water in the vadose zone. 
C)  Water in the saturated zone. 
D)  Soil moisture.

Question 3

Which of the following would probably have the highest porosity?

Accepted Answer

A)  Sandstone 
B)  Rock salt 
C)  Unfractured granite 
D)  Unfractured gneiss 
A)  Sandstone 
B)  Rock salt 
C)  Unfractured granite 
D)  Unfractured gneiss

Question 4

Limitations on the use of surface water as a water source include

Accepted Answer

A)  Basic lack of surface water in some regions. 
B)  Seasonality of stream flow. 
C)  Past use of some lakes and streams for dumping wastewater. 
D)  All of the choices are correct. 
A)  Basic lack of surface water in some regions. 
B)  Seasonality of stream flow. 
C)  Past use of some lakes and streams for dumping wastewater. 
D)  All of the choices are correct.

Question 5

Most of the water in the hydrosphere is found in

Accepted Answer

A)  The oceans. 
B)  The polar ice caps. 
C)  The atmosphere. 
D)  Aquifers. 
A)  The oceans. 
B)  The polar ice caps. 
C)  The atmosphere. 
D)  Aquifers.

Question 6

Poorly cemented sandstones often have high porosity and permeability.

Accepted Answer

A) True 
 B)False

Question 7

Conservation of water is not all that important as water can be a renewable resource.

Accepted Answer

A) True 
 B)False

Question 8

Groundwater withdrawal that exceeds recharge really has no impact on the water table.

Accepted Answer

A) True 
 B)False

Question 9

Hard water is so named because it has an alkaline pH.

Accepted Answer

A) True 
 B)False

Question 10

Recharge basins are most often built in areas of abundant surface water,to keep lakes and ponds from overflowing.

Accepted Answer

A) True 
 B)False

Question 11

Groundwater discharge does not occur naturally

Accepted Answer

A)  Through springs and seeps. 
B)  Through stream and river bottoms and sides. 
C)  Into marshes and swamps. 
D)  Through water wells. 
A)  Through springs and seeps. 
B)  Through stream and river bottoms and sides. 
C)  Into marshes and swamps. 
D)  Through water wells.

Question 12

The largest reservoir of unfrozen freshwater is

Accepted Answer

A)  The water in all lakes and streams. 
B)  Groundwater. 
C)  Water in the atmosphere. 
D)  Water in the biosphere. 
A)  The water in all lakes and streams. 
B)  Groundwater. 
C)  Water in the atmosphere. 
D)  Water in the biosphere.

Question 13

A water softener removes calcium and elements such as magnesium that show similar chemical behavior.

Accepted Answer

A) True 
 B)False

Question 14

To be useful as a source of water,a rock must be

Accepted Answer

A)  Porous but not too permeable. 
B)  Permeable but not too porous. 
C)  Both porous and permeable. 
D)  Low in both porosity and permeability. 
A)  Porous but not too permeable. 
B)  Permeable but not too porous. 
C)  Both porous and permeable. 
D)  Low in both porosity and permeability.

Question 15

Where groundwater withdrawal has caused surface subsidence,if groundwater use is curtailed,recharge will,in time result in rebound of the land surface.

Accepted Answer

A) True 
 B)False

Question 16

Possible consequences of excessive groundwater withdrawal include

Accepted Answer

A)  Surface subsidence. 
B)  Swelling of aquifer rocks. 
C)  Increased permeability of aquifer rocks. 
D)  All of the choices are correct. 
A)  Surface subsidence. 
B)  Swelling of aquifer rocks. 
C)  Increased permeability of aquifer rocks. 
D)  All of the choices are correct.

Question 17

Radium in groundwater

Accepted Answer

A)  Occurs only near leaking radioactive-waste dumps. 
B)  Can be removed by water softeners. 
C)  Makes the water unsafe for bathing. 
D)  All of the choices are correct. 
A)  Occurs only near leaking radioactive-waste dumps. 
B)  Can be removed by water softeners. 
C)  Makes the water unsafe for bathing. 
D)  All of the choices are correct.

Question 18

An aquitard is a rock that is low in permeability,so water does not readily pass through it.

Accepted Answer

A) True 
 B)False

Question 19

If urbanization occurs over the limited recharge area of a confined aquifer,water availability may be reduced.

Accepted Answer

A) True 
 B)False

Question 20

Around an actively pumped well in an unconfined aquifer,a ____________ may develop in the water table.

Accepted Answer

A)  Sinkhole 
B)  Recharge 
C)  Cone of depression 
D)  Zone of saturation 
A)  Sinkhole 
B)  Recharge 
C)  Cone of depression 
D)  Zone of saturation

The membrane-filtration method of desalination

Properly,groundwater is

Which of the following would probably have the highest porosity?

Limitations on the use of surface water as a water source include

Most of the water in the hydrosphere is found in

Poorly cemented sandstones often have high porosity and permeability.

Conservation of water is not all that important as water can be a renewable resource.

Groundwater withdrawal that exceeds recharge really has no impact on the water table.

Hard water is so named because it has an alkaline pH.

Recharge basins are most often built in areas of abundant surface water,to keep lakes and ponds from overflowing.

Groundwater discharge does not occur naturally

The largest reservoir of unfrozen freshwater is

A water softener removes calcium and elements such as magnesium that show similar chemical behavior.

To be useful as a source of water,a rock must be

Where groundwater withdrawal has caused surface subsidence,if groundwater use is curtailed,recharge will,in time result in rebound of the land surface.

Possible consequences of excessive groundwater withdrawal include

Radium in groundwater

An aquitard is a rock that is low in permeability,so water does not readily pass through it.

If urbanization occurs over the limited recharge area of a confined aquifer,water availability may be reduced.

Around an actively pumped well in an unconfined aquifer,a ____________ may develop in the water table.

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

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters

Exam 11: Ground Water and Water Resources

The membrane-filtration method of desalination

Properly,groundwater is

Which of the following would probably have the highest porosity?

Limitations on the use of surface water as a water source include

Most of the water in the hydrosphere is found in

Poorly cemented sandstones often have high porosity and permeability.

Conservation of water is not all that important as water can be a renewable resource.

Groundwater withdrawal that exceeds recharge really has no impact on the water table.

Hard water is so named because it has an alkaline pH.

Recharge basins are most often built in areas of abundant surface water,to keep lakes and ponds from overflowing.

Groundwater discharge does not occur naturally

The largest reservoir of unfrozen freshwater is

A water softener removes calcium and elements such as magnesium that show similar chemical behavior.

To be useful as a source of water,a rock must be

Where groundwater withdrawal has caused surface subsidence,if groundwater use is curtailed,recharge will,in time result in rebound of the land surface.

Possible consequences of excessive groundwater withdrawal include

Radium in groundwater

An aquitard is a rock that is low in permeability,so water does not readily pass through it.

If urbanization occurs over the limited recharge area of a confined aquifer,water availability may be reduced.

Around an actively pumped well in an unconfined aquifer,a ____________ may develop in the water table.

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

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters