Deck 8: Emerging Energy Sources

Question 1

Solar energy collection would be most efficient in

A)Arizona
B)Washington State
C)New Hampshire
D)Maine

Answer 1

A

Question 2

Akron, Ohio, which averages 201 cloudy days per year, cannot use solar power.

Answer 2

False

Question 3

Select the correct statement.

A)Both visible light and heat radiation can pass through glass.
B)Neither visible light nor heat radiation can pass through glass.
C)Visible light, but not heat radiation, can pass through glass.
D)Heat radiation, but not visible light, can pass through glass.

Answer 3

C

Question 4

Select the correct statement.

A)In the Northern Hemisphere, windows with a southern exposure are best for collecting solar energy.
B)In the Northern Hemisphere, windows with a northern exposure are best for collecting solar energy.
C)In the Southern Hemisphere, windows with a southern exposure are best for collecting solar energy.
D)In the Southern Hemisphere, widows with a western exposure are best for collecting solar energy.

Question 5

The major user of solar hot water has been

A)India
B)Iceland
C)China
D)US

Question 6

Conventional solar cells contain layers of

A)carbon
B)silicon
C)zinc
D)tin

Question 7

Solar power requires backup systems for

A)windy days
B)cold days
C)cloudy days
D)nights and cloudy days

Question 8

The first practical photocell was developed in 1954 by

A)Bell Laboratories
B)IBM
C)Microsoft
D)McDonalds

Question 9

Active solar heating requires a ___ between the black material and the glass to carry the heat away.

A)solid
B)liquid
C)gas
D)plastic

Question 10

The Stirling engine, developed in 1816, converts

A)motion into heat
B)electricity into heat
C)heat into motion
D)shale into oil

Question 11

The use of wind power was first tried in the 20^th century.

Question 12

The leader using wind power in the US is

A)California
B)Kansas
C)Florida
D)Texas

Question 13

Worldwide, the leader using wind power is

A)China
B)Germany
C)Spain
D)US

Question 14

Disadvantages of wind power include

A)disturbs wildlife
B)interferes with scenery
C)requires storage or backup for low wind times
D)all of these

Question 15

Advantages of wind power are

A)high net energy yield
B)free energy source
C)low operation and maintenance costs
D)no CO₂ or particulates release
E)all of these

Question 16

The Earth's core maintains a temperature of

A)200 degrees Celsius
B)500 degrees Celsius
C)several thousand degrees Celsius
D)several million degrees Celsius

Question 17

The state with the greatest geothermal resources is

A)California
B)New Mexico
C)North Dakota
D)Texas

Question 18

The country with the greatest availability of geothermal energy is

A)China
B)Iceland
C)Russia
D)US

Question 19

The fluids produced in accessing geothermal energy

A)are useful for irrigation of farmland
B)contain noxious pollutants
C)are a source of valuable starting materials for manufacturing plastics
D)have a pleasing fragrance

Question 20

Geothermal energy has a disadvantage of being sustainable.

Question 21

The elemental gas hydrogen is abundant in the earth's crust.

Question 22

Which is not a disadvantage of hydrogen gas as a fuel?

A)Produces sulfides when it burns
B)Must be produced from other sources
C)Difficult to handle
D)About 1/4 the energy per unit volume of methane

Question 23

The best energy source is

A)coal
B)petroleum
C)hydrogen
D)wind power
E)energy conservation

Question 24

As a general rule, winter thermostat settings should e

A)50 - 55 deg F
B)65 - 68 deg F
C)70 - 73 deg F
D)78 - 81 deg F

Question 25

What percentage of the energy used, does the incandescent bulb convert to light?

A)5%
B)15%
C)25%
D)50%

Question 26

Light-emitting diode (LED) bulbs last ___ times longer than incandescent bulbs.

A)5
B)10
C)15
D)25

Question 27

Light bulbs are now rated in ____ of brightness.

A)photons
B)volts
C)lumens
D)percent yield

Question 28

Most electronic equipment, if plugged into a wall socket, will continue to use electricity, even if turned off.

Question 29

What percent of the energy from burning the fuel in most cars actually reaches the wheels?

A)3
B)13
C)23
D)43

Question 30

Plug-in hybrid vehicles may require the burning of coal to produce the electricity they need.