SO245 Lesson 3 Exam SCORE 100 PERCENT (2019)

Question 1

5 / 5 points

All of the following are problems related to wind power, except

Question options:

a) 

locals may be annoyed by the noise generated by wind farms.

b) 

wind farm location can have a negative impact on local wildlife.

c) 

wind farms sometimes spoil the beauty of natural landscapes.

d) 

wind as a source of power is limited to less populated areas.

Question 2

5 / 5 points

 

Chemical energy is stored in the bonds of

Question options:

a) 

elements.

b) 

particles.

c) 

molecules.

d) 

compounds.

Question 3

5 / 5 points

 

Two students are discussing energy sectors in the United States. Student 1 claims that the commercial sector includes automobiles and churches. Student 2 agrees but also includes construction in the commercial list. Who is correct?

Question options:

a) 

Both Students 1 and 2 are correct.

b) 

Neither Student 1 nor 2 are correct.

c) 

Only Student 1 is correct.

d) 

Only Student 2 is correct.

Question 4

5 / 5 points

 

_______ is a "rare earth" mineral crucial to the construction of solar panels.

Question options:

a) 

Platinum

b) 

Tellurium

c) 

Coltan

d) 

Lithium

Question 5

5 / 5 points

 

Two students are discussing the disadvantages of biomass. Student 1 claims that when biomass is burned, too many toxins are released, worsening air pollution. Student 2 claims that planting biofuel crops uses too much farmland that could be used for food. According to this course, who is correct?

Question options:

a) 

Both Students 1 and 2 are correct.

b) 

Both Student 1 and 2 are incorrect.

c) 

Only Student 2 is correct.

d) 

Only Student 1 is correct.

Question 6

5 / 5 points

 

A watt is the equivalent of one _______ per second.

Question options:

a) 

unit of work

b) 

unit of energy

c) 

joule

d) 

kilocalorie

Question 7

5 / 5 points

 

The amount of energy required to raise one pound of water by 1 degree Fahrenheit equals one

Question options:

a) 

BTU.

b) 

therm.

c) 

quad.

d) 

joule.

Question 8

5 / 5 points

 

_______ energy results from the combination of kinetic and potential energy.

Question options:

a) 

Mechanical

b) 

Chemical

c) 

Solar

d) 

Electrical

Question 9

5 / 5 points

 

_______ energy is a fundamental need for life on Earth.

Question options:

a) 

Electrical

b) 

Solar

c) 

Chemical

d) 

Potential

Question 10

5 / 5 points

 

The fact that sunlight is not directly available at night or on cloudy days is referred to as the _______ problem.

Question options:

a) 

intermittency

b) 

distributive

c) 

interference

d) 

variability

Question 11

5 / 5 points

 

How many calories in a kilocalorie?

Question options:

a) 

10

b) 

100

c) 

1,000

d) 

1,000,000

Question 12

5 / 5 points

 

According to the third law of thermodynamics, energy ceases to exist at a temperature called absolute zero. This is considered a(n) _______ limit.

Question options:

a) 

provisional

b) 

experimental

c) 

theoretical

d) 

estimated

Question 13

5 / 5 points

 

Burning biomass for fuel expresses carbon _______, because it balances the amount of carbon added and removed from the atmosphere.

Question options:

a) 

exchange

b) 

production

c) 

neutrality

d) 

replacement

Question 14

5 / 5 points

 

The three stages in the combustion of gas in an internal combustion engine are combustion, thermal energy, and _______ energy.

Question options:

a) 

kinetic

b) 

potential

c) 

provisional

d) 

mechanical

Question 15

5 / 5 points

 

_______ is a byproduct of coal and vital to steel production.

Question options:

a) 

Nitric acid

b) 

Activated charcoal

c) 

Coke

d) 

Carbon fiber

Question 16

5 / 5 points

 

The first law of thermodynamics, also called the _______ law, says that the total energy of the universe is constant.

Question options:

a) 

additive

b) 

conservation

c) 

absolute

d) 

conversion

Question 17

5 / 5 points

 

In general, the efficiency of an internal combustion engine is thirty percent. The remaining seventy percent is mainly dissipated as _______ energy.

Question options:

a) 

heat

b) 

mechanical

c) 

chemical

d) 

solar

Question 18

5 / 5 points

 

In which part of the United States are geothermal power plants found?

Question options:

a) 

Southwest

b) 

Northeast

c) 

Upper Midwest

d) 

East Coast

Question 19

5 / 5 points

 

Percentage-wise, which renewable energy source is used most?

Question options:

a) 

Wind

b) 

Solar

c) 

Hydroelectric

d) 

Biomass

Question 20

5 / 5 points

 

Which carbon-rich compound is found in the Earth in liquid form?

Question options:

a) 

Propane

b) 

Crude oil

c) 

Butane

d) 

Ethane


 

 

 

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