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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