renewable energy

Question 1

The worlds most abundant fossil fuel?

Answer 1

coal

Question 2

what energy source is considered non renewable

Answer 2

Natural gas

Question 3

solar radiation makes several other energy sources possible including:

Answer 3

Wind Energy

Question 4

for the united states, the primary fuel that we use for our energy is:

Answer 4

Oil

Question 5

The entire pool of oil is not extracted from a well because:

Answer 5

it is not cost effective

Question 6

In deciding whether to extract oil from a site and how much the total extract an oil company considers:

Answer 6

the distance the oil must be transported, current market price of the oil, potential environmental damage

Question 7

worldwide the most commonly used renewable energy resource is:

Answer 7

Biomass

Question 8

A major concern in relations to increased use of liquid bio fuels such as ethanol is:

Answer 8

it may result in an increase in foods costs

Question 9

why would switch grass make a better source for liquid bio fuel than corn?

Answer 9

• is perennial , it does not need to be replanted every year
• does not require as much fossil fuel input to produce
• a new demand for switch grass would not significantly impact food prices

Question 10

US current usage of energy

Answer 10

has a higher per capita energy usage than any other nation

Question 11

the EROEI of coal factos are

Answer 11

older coal has lower water content
amount of thermal energy released as coal is burned
cost of mining operations

Question 12

what could help reduce heating and cooling energy demand for a home:

Answer 12

installing solar panals

Question 13

how can the government encourage efficient energy use

Answer 13

requiring higher fuel economy standards for new cars

Question 14

the production of electricity in conventional nuclear power plants using fission reaction

Answer 14

thermal energy is converted into mechanical energy and then into electrical energy, we in coal-burning power plants

Question 15

process in how to separate components of crude oil kerosene and diesel

Answer 15

distillation

Question 16

A major concern associated with with increased use of liquefied coal is:

Answer 16

liquefied coal releases twice as many emissions as traditional oil

Question 17

Natrual gas is

Answer 17

80-95% Methane
- can be liquefied

Question 18

interests in nuclear plants have increased because of

Answer 18

low carbon dioxide emissions

Question 19

largest hydroelectric water impoundment dam in the US

Answer 19

grand coulee dam

Question 20

largest hydroelectric water impoundment dam in the WORLD

Answer 20

Three gorges dam located in china

Question 21

the system where harnessed energy comes from the the movement water is driven by the gravitational pull of the moon

Answer 21

tidal systems

Question 22

uses lens of mirrors and tracking systems to focus sunlight into a beam that is used to heat up water , the steam then causes a turbine to move which operates the generator

Answer 22

concentrating solar thermal system

Question 23

solar pv generated electricity as a power is less reliable that fossils fuels because

Answer 23

cannot be stores easily in large quantities for use when it is needed

Question 24

in addition to using geothermal energy to produce electricity, how else can earths thermal resources be used

Answer 24

can be used to heat and cool buildings

Question 25

One advantage of using hydrogen fuel cells is

Answer 25

the potential for production of greenhouse gasses

Question 26

the most significant disadvantages of using hydrogen fuel cells is

Answer 26

producing hydrogen is an energy intensive process that can be reliant on fossil fuels

Question 27

In deciding whether to extract oil from a site and how much of the total to extract, an oil company considers

Answer 27

the distance the oil must be transported, currently market price of oil , potential environmental damage

Question 28

crude oil is

Answer 28

fractional to obtain the chemicals used for gasoline, lubricants, plastic and other products

Question 29

the greatest damage to the environment caused by oil extraction is from

Answer 29

road construction and infrastructure development

Question 30

biomass energy

Answer 30

cab be created by microbial action or burned directly as wood or dung

Question 31

method can be called passive solar energy collection?

Answer 31

using heat absorbing construction materials

Question 32

A major disadvantage to using wind to produce electricity is ________.

Answer 32

its energy efficiency compared to conventional power sources

Question 33

As evidenced by the pushback from Ocean City regarding planned wind energy projects, a major obstacle to the establishment of wind farms near population centers that need them is ________.

Answer 33

concerns over aesthetics

Question 34

The chemical product of using hydrogen as an energy source is ________.

Answer 34

water molecules

Question 35

what converts sunlight into electrical energy

Answer 35

photovoltaic cells

Question 36

as time passes for buries organic material the concentration of carbon in that material

Answer 36

increases

Question 37

a reason why hybrid electric vehicles use less fossil fuel per mile traveled than a typical internal combustion engine vehicle uses?

Answer 37

when the brakes are applied in hybrid electric vehicles, kinetic energy is covered into electric energy to charge the batteries that assist the electric motor