Energy: The Enterprise Coursera Quiz Answers

Get All Weeks Energy: The Enterprise Coursera Quiz Answers

Energy: The Enterprise Coursera Quiz Answers

Energy Touches Everything Quiz Answers

Q1. Video: World’s Most Asked Questions: What Is Energy?

Please watch the video to answer questions 1-3.

Energy is the ability to

Do everything
All of the above
Do work
Use your motions

Q2. Which of the following was not an example of work in the video?

Stomp Rocket
Track Race
Patty Melt
Phone and Computer

Q3. What type of energy does the log contain in the video?

Nuclear energy
Mechanical energy
Kinetic energy
Chemical energy

Q4. The sun heats the earth with ______ light.

Infrared

Q5. What greenhouse gas has over 100x the efficiency of carbon dioxide to reflect light back to the earth?

Methane
None of the above
Nitrous oxide
Water vapor

Q6. What is the average life span a methane molecule spends in the atmosphere?

8 years
100 years
1 year
12 years

Q7. Which of the following is not a source of renewable energy used for U.S. electricity generation?

Solar
Biomass
None of the above
Hydro
Geothermal

Q8. 100% of nuclear electric power is used in the residential and commercial sector. (T/F)

True
False

Q9. What source of energy makes up the largest percentage of electricity generation today and why?

Renewables, since it is the safest and newest source of electricity generation.
Nuclear, since it offers a big amount of energy while maintaining a low-carbon energy infrastructure.
Natural Gas, since it gives off a lot of energy and can be transported through pipes.
Coal, because it can still be used in remote locations where there isn’t much electricity.

Q10. Potential energy is the energy that something possesses due to its motion. (T/F)

True
False

Energy Sources Quiz Answers

Q1. Video: Solar Energy

Please watch the videos and answer questions 1-3.

According to the video, What the term used to describe the most efficient photovoltaic technology?

Concentrated Solar
Photovoltaic cells
Solar Panels
Concentrated Photovoltaics

Q2. According to the video, A traditional solar panel consist of a N-Type silicon and a P-Type silicon with a conductor connecting both. (T/F)

True
False

Q3. According to the video, what is a benefit of using solar cell technology?

Ability to use a distributed generation approach.
Solar panels are very cheap and can save money.
Never have to pay a utility provider for electricity
All of the above

Q4. Natural gas comes from

Conventional non-associated gas pockets
All of the above
Gas-rich shale
Conventional associated gas pockets

Q5. Where is the Barnett and Marcellus shale located?

Pennsylvania; South Carolina
Alaska; Virginia
Georgia; Texas
Texas; New York

Q6. Liquefied Natural Gas ships transports compressed natural gas but are not welcomed on the coastline because they are considered security hazards. (T/F)

True
False

Q7. Which of the following is a type of Solar Photovoltaic cell?

Organic photovoltaic cells
Amorphous silicon
Crystalline Silicon
None of the above.

Q8. People put ___ covers on their pool to increase the temperature of the water in it.

solar pool cover

Q9. Which color did the former secretary of energy, Steven Chu, advocated painting the top of buildings to reflect sunlight out of cities.

Black
Blue
White
Yellow

Q10. Why is the typical solar cell less than 20% efficient?

People don’t have the funds to get a solar panel that’s 90-95% efficient
Solar technology was just discovered recently and still need work
All of the above
The cells can only receive certain wavelengths of light at times.

Energy & Utility Solutions Quiz Answers

Q1. Please watch the following video and answer quesitons 1-6.

A Smart grid provides _______________

a one-way communication path
addresses only small energy demands
localized power generation built around communities
electricity measurements at the source

Q2. Associated terms regarding Smart Grid often include:

computers
technology
automation
two-way communication
controls

Q3. ___________ (HAN) connects smart appliances within a home to energy efficient system

Home Access Network
Home Affective Network
Home Area Network
Home Area Number

Q4. Electricity generated must equal ___________ across the grid

reduction
consumption
regulation
distribution

Q5. Secondary power sources are always required in power outages.

True
False

Q6. A disadvantage of Smart Grid is:

it’s less efficient
consumers will get fewer energy bills
it’s less secure
it’s more reliable

Q7. Building efficiencies can impact

distribution
supply
none
demand

Q8. The common themes between the lectures and this video, Embodied Energy Explained, are:

We buy energy when we buy raw materials
The sum of all the energy that goes into raw materials to put an item in your hand is called embodied energy
Transporting an item from a retail store to your home involves energy consumption
Energy is involved at every stage of the supply chain
Embodied energy does not equal embedded energy

Q9. How can we reduce infrastructure investment cost while assuring that power will always be available in an area?

Both
Utilize battery storage coupled with a renewable energy source to decentralize the transmission system.
Build a power plant in the area of interest
Neither

Q10. The following generation sources are moving from a more centralized to decentralized distribution system: wind, solar, nuclear, and fuel cells. Advantage(s) of this include: