Hello Peers, Today we are going to share all week assessment and quizzes answers of Solar Energy Basics course launched by Coursera for totally free of cost✅✅✅. This is a certification course for every interested students.
In case you didn’t find this course for free, then you can apply for financial ads to get this course for totally free.
Checkout this article for – “How to Apply for Financial Ads?”
Coursera, a India’s biggest learning platform which launched millions of free courses for students daily. These courses are from various recognized university, where industry experts and professors teaches in a very well manner and in a more understandable way.
Here, you will find Solar Energy Basics Exam Answers in Bold Color which are given below.
These answers are updated recently and are 100% correct✅ answers of all week, assessment and final exam answers of Solar Energy Basics from Coursera Free Certification Course.
Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.
Apply Link – Solar Energy Basics
Solar Energy Basics Coursera Quiz Answers
Week- 1
Solar power systems <MATH>
1. Which of these energy sources are both renewable and dispatchable?
- Nuclear/Uranium
- Solar
- Geothermal
- Crude oil
- Coal
- Biomass
- Wind
- Hydroelectric
2. Electrical efficiency is defined as…
- Power in divided by power out
- Work created divided by power in
- Heat out divided by heat in
- Power out divided by power in
3. An air conditioner uses 1200 W and has a typical on-time of 4 hours per day. What is the typical daily energy use for this air conditioner?
- 3 kWh
- 4800 kWh
- 4.8 kWh
- 300 kWh
- 480 kWh
4. The output of a photovoltaic panel is measured as 165 W/m² under direct illumination of 860 W/m². What is the panel’s efficiency for converting light to electricity?
- 19.2%
- 16.5%
- 1.65%
- 21.5%
- 8.60%
5. What occurs when light strikes a solar panel?
- Photons are created
- Electrons are created
- Electrons move through the circuit
- Electrons exchange places with photons
- Photons move through the circuit
6. Which components are required for an on-grid PV installation?
- Charge controller
- Bidirectional meter
- Solar panels
- Battery
- Inverter
7. What factor(s) should be considered when designing a PV system?
- Size of available roof or land area
- Current electrical usage
- Available incentives, credits, and rebates
- Amount of annual sunlight
8. An off-grid homeowner currently uses propane for heat and electrical needs. What additional component(s) would be required for the homeowner to switch to PV-based electrical power?
- Grid-tie connection
- Battery bank
- Bi-directional electrical meter
- Charge controller
9. Why are inverters required on modern PV systems?
- To provide metering for the utility
- To convert direct current (DC) to alternating current (AC)
- To convert light to electricity
- To control charge/discharge
10. The National Electrical Code (NEC) in the United States covers all Photovoltaic related topics in …
- NEC article 480
- NEC article 690
- NEC article 445
- NEC article 700
11. What advantages might a ground mounted PV system have over a roof mounted system?
- The ability to optimize tilt and rotation for geography
- Increased roof material lifespan
- Shading avoidance
- Convenience of maintenance and repair
12. Which PV installation scenario(s) avoid puncturing the surface of a roof?
- A barn with a 38º metal roof with raised standing seams
- Ballasted array on the flat roof of a commercial building
- A 30º shingled roof on a single family home
- A pole mounted array in a field
13. Full sun or STC is based on what light intensity in W/m²?Enter answer here
1000 |
14 What is the correct sequencing of electrical components for an on-grid PV System design, going from an array on a roof to the main electrical panel in the house?
- Array – DC Disconnect – Inverter – AC Disconnect – Main Panel
- Array – AC Disconnect – Inverter – DC Disconnect – Main Panel
- Array – Charge Controller – Inverter – AC Disconnect – Main Panel
- Array – DC Disconnect – Inverter – Charge Controller – AC Disconnect – Main Panel
15. You are looking at a module specification sheet that contains the information below. What is the maximum power of this module in Watts to the nearest whole Watt?
Characteristic Value
Cell Type Monocrystalline Si
Cell Configuration 120
Voc 38 V
Isc 8.98 A
Vmp 31.4 V
Imp 8.29 A
Dimensions (mm/in) 1625 x 1020 x 45 mm / 64 ” x 40.1″ x 1.8 “
Weight 20 kg / 44 lbs
Enter answer here
260 |
16. For the module in question 15, what is the module efficiency as a percent to the nearest 0.1%?
Enter answer here
15.7 |
17. You see a solar array on the roof of a home in a residential neighborhood. The cells in the modules appear to have a uniform bluish-black color and are rectangular in shape with rounded corners. What type of PV material was most likely used in those solar panels?
- Perovskite
- Monocrystalline silicon
- Polycrystalline silicon
- Dye sensitized thin film
Week- 2
Energy needs and sizing a PV system <MATH>
1. A unit for power is:
- Volts
- Milliamps
- Watts
- Amps
2. An electrical appliance which operates at 110 volts and 4 amps consumes ___ watts.
- 4
- 440
- 120
- 220
3. If PV system is needed that can produce 8000W of electrical power and the overall efficiency of the system is assumed to be 80%, what size system would need to be installed?
- 10,000W
- 8000W
- 9000W
- 6400W
4. The southern Midwest of the United States has an insolation value of 5.5 full-sun-hours. We would expect Fairbanks, Alaska to have an insolation value that is ___ that of the southern Midwest.
- Less than
- Greater than
- About the same as
5. You are consulting with a home owner about sizing a PV system for their house. They share their utility bill with you that contains the electrical usage table below. What is the total annual electrical energy usage at this location?
Month kWh
December 350
January 420
February 370
March 350
April 320
May 360
June 570
July 950
August 860
September 630
October 605
November 455
December 420
1 point
Enter answer here
6310 |
6. A 1200 W microwave oven uses 120 V of electricity, how much current (in amps) is the microwave drawing when in use?
Enter answer here
10 |
7. A television uses 75 W while in use. Assuming that it is used 4 hours every day, how much energy in kWh would the television consume annually?
Enter answer here
109.5 |
8. In doing an energy audit of a home you find that both the front and the back porches of the home have overhead light fixtures set on timers. Each porch’s light fixture contains two 40 W incandescent bulbs, and the timers turn the porch lights on for 8 hours every day. If the homeowner replaced the 40 W bulbs with equivalent 4.5 W LED bulbs, how much would the annual energy consumption be reduced in kWh?
Enter answer here
414.640 |
9. Use the following table for the next 2 questions
Consider the following section of a table from an energy audit in answering the next four questions:
Device Power (W) Device Count Hours of use per day (hours) Days used per year Annual energy (kWh/year)
Light bulbs 60 4 4 350 84
Air conditioner 820 1 8 90 590
Coffee pot 1100 1 .25 350 96
Television 60 2 5 250 150
There is an error in an annual energy calculation, which device’s annual energy value is incorrect?
- Air Conditioner
- Coffee pot
- Television
- Light bulbs
10. For the energy audit table in question 9, what is the correct annual energy value, in kWh, for the device with the calculation error?
Enter answer here
336 |
11. Use the following map of solar resource to answer the next 3 questions. You can also open the Solar Resource Map in a new window to get a larger version. Use the lowest value of the average annual insolation for your calculations.
Based on this insolation map and assuming an 80% system efficiency, how much energy would be produced annually at a home in South Carolina (SC) that has a 6 kW solar array?
Enter answer here
8760 |
12. Using the solar resource map from question 11, how many more hours of full sun per year would a house in Oregon (OR) located in the area with the highest insolation in the state get than a house located in the lowest insolation area in the Oregon?
- 1643 full sun hours
- 2008 full sun hours
- 1278 full sun hours
- 548 full sun hours
- 730 full sun hours
13. Using the solar resource map from question 11, how many full sun hours per day does Michigan (MI) receive on average.
Enter answer here
4 |
14. Use the following scenario for the next two questions.
A homeowner in Texas wants to install a solar array that will replace 60% of their annual electrical energy through PV generation. Your energy audit determines their annual load is about 13300 kWh per year, and their home is about as efficient as it can be. How much energy in kWh would need to be produced by the array to meet the homeowner’s target of 60%?Enter answer here
7980 |
15.
Question 15
For the home in the previous question, what size array (in kW to the nearest tenth 0.1) would be needed to meet their target of 60% of their annual energy if their home receives 2008 full sun hours annually you assume an 85% system efficiency.
Enter answer here
4 .7 |
16. If you are designing a solar array to have an operating power target of 4.2 kW, and you have selected panels with a 260 W rating, how many panels do you need for the array? (Don’t exceed 4.3 kW system power)Enter answer here
16 |
Week- 3
The growth of photovoltaic markets
1. Early commercial photovoltaic applications were…
- led by Alexandre-Edmond Becquerel.
- part of the industrial revolution.
- for satellites during the space race.
- for pocket calculators.
2. Which of the following was NOT a factor contributing to the increased use of photovoltaics between the 1970s and 2017?
- Sharp decreases in the supply of the raw material of silicon
- Development of small, low power solar cells for calculators and watches
- The oil crisis in the late 1970s
- NGO programs incentivizing photovoltaic training and installation
3. Looking at electricity use as a whole, about what percentage of all electricity used in the world is produced by photovoltaics?
- < 2%
- 15%
- 75%
- 25%
4. Which statement is the most accurate comparison of the development of hydropower, photovoltaics, and wind as energy sources globally?
- Growth and investment in all three sources is about equal
- Investment in hydropower is overtaking both wind and PV
- While wind is stagnant, PV is one of the largest areas for growth, with hydropower coming in second on the renewables side
- While hydropower is fairly flat, PV is one of the largest areas for growth, with wind coming in second on the renewables side
5. Ground based photovoltaics have all of the following advantages EXCEPT:
- They are integrated into the structure of new buildings
- They can be used at sites where habitable structures cannot be placed
- They are capable of large utility scale types of installations
- They adapt well to tracking technology, allowing them to capture more sunlight
6. On grid photovoltaics
- Produce AC electricity directly
- Require batteries
- Are the most common type of photovoltaic for commercial and residential applications
- Don’t require a sine wave inverter
7. Which country has the largest installed capacity of photovoltaics?
- Germany
- Japan
- United States
- China
8. In the United States, which form of renewable energy is forecast to have the greatest amount of capacity added between 2025 and 2050?
- Wind
- Solar
- Hydroelectric
- Natural gas
9. How much less do modern commercial photovoltaic cells cost per Watt compared to the early PV cells?
- $70 per Watt
- $98 per Watt
- $2 per Watt
- $58 per Watt
10. Which energy source currently accounts for the majority of global electricity production?
- Fossil Fuels
- Nuclear
- Hydroelectric
- Photovoltaics
- Wind
11. Which part of the world has the most countries without national and/or state level renewable energy policies?
- North America
- Asia
- Africa
- South America
12. As part of an overall installation, in which of the following scenarios would inverters have the highest cost relative to the total cost of the panels?
- Microinverters in a residential rooftop solar array
- String inverters at a utility scale solar farm
- String inverters in a commercial building flat rooftop array
- String inverters in a residential rooftop solar array
13. Which of the following is an example of deployable solar?
- 3 kW system of flexible PV panels that are packaged in large rolls which can be spread out on the ground to power a tent based field station
- A 4 kW array on an on-grid house with a battery backup system in case of power outages
- A 20 W panel attached to a permanent stop sign with LED lights at a rural road intersection
- 2 kW system attached to the roof of a barn at a farm that is off the electrical grid
14. The growth of photovoltaic electrical generation in the United States is being driven by what type of new additions?
- Deployable PV systems
- Residential solar arrays
- Utility scale solar farms
- Off-grid residential systems
15. Who observed the photovoltaic effect first?
- NASA
- Bell Labs
- Alexandre-Edmund Becquerel
- General Electric (GE)
Week- 4
Infrastructure of PV <MATH>
1. Safety and oversight of materials produced in the photovoltaics industry is a primary concern of:
- Academic institutions
- Module manufacturers
- Standards organizations
- Component manufacturers
2. Standards organizations involved in the safety of photovoltaic equipment include:
- The Institute for Electrical and Electronics Engineers (IEEE)
- The National Electric Code
- Underwriters Laboratory (UL)
- All of the above
3. Net metering is evaluated on a(n) __ basis to determine the electric bill.
- Annual
- Monthly
- Weekly
- Daily
4. Your business leases a satellite location where a photovoltaic system is installed. The electricity is used in your office building 20 miles from the satellite location. When the photovoltaic system produces excess electricity, it offsets the electric bill of your office location. This is an example of:
- Net metering
- A power purchase agreement
- Feed-in tariffs
- Remote net metering
5. An arrangement in which an agreement is made between a utility and a user that allows the user to sell back their electricity to a utility for a higher price than retail is an example of
- Remote net metering
- A power purchase agreement
- Feed-in tariffs
- Net metering
6. The largest PV certification group in North America is
- IEEE
- SEIA
- NABCEP
- UL
7. Which PV related certification is available only for licensed electricians?
- UL PV System Installation
- NABCEP Associate
- NEC
- RISE CSRP
8. The NABCEP Associate Program offers exams in:
- Photovoltaics
- Solar heating
- Small wind
- All of the above
9. Prerequisites required in order to take the NABCEP certification exam include:
- A minimum of 20 hours advanced photovoltaic training with a minimum of 10 hours covering advanced topics on installation principles and practices
- A minimum of 100 hours of advanced photovoltaic training with a minimum of 80 hours covering advanced topics on installation principles and practices
- A minimum of 58 hours of advanced photovoltaic training with a minimum of 40 hours covering advanced topics on installation principles and practices
- A minimum of 200 hours of advanced photovoltaic training with a minimum of 100 hours covering advanced topics on installation principles and practices
10. What types of organizations are involved in research related to photovoltaics?
- Academic Institutions
- Commercial Businesses
- Governmental Organizations
11. Which of the following jobs related photovoltaics are in the top 3 most difficult for employers to fill?
- Installers
- Sales professionals
- Manufacturing line workers
- Accountants
12. As a homeowner, in which of the following PV financial models is it impossible to ever make a profit?
- Leasing
- PPA
- Feed-in Tariff
- Remote net metering
- Net metering
13. Which financial model for PV has been used to encourage early adoption of the technology through a long term contract to buy the electricity from system owners at an incentivized rate?
- Leasing
- Feed-in Tariffs
- PPA
- Net metering
14. SEIA, the Solar Energy Industries Association promotes the solar industry and advocates on behalf of the industry. They are an example of what type of stakeholder in the PV field?
Standards Organization
Research Institution
Trade organization
Manufacturer
15. You’re designing a PV system for a homeowner in a state that allows production of up to 110% of the total annual energy usage in a net metering financial model. A homeowner wants a system installed that will produce the maximum amount allowed each year. If the annual energy usage is 8500 kWh, and the average solar energy is 4.5 kWh/m²/day, what size system would need to be installed if the efficiency for the system is 85%?
- 6.1 kW
- 6.7 kW
- 7.7 kW
- 5.7 kW
Week- 5
Peer-graded Assignment: Capstone Project
Project Title *
Give your project a descriptive title
Capstone Project |
1. Just click Here To Download The Assignment. After downloading the file simply copy the text and paste in the first box.
2. Just click Here To Download The Assignment. After downloading the file simply upload the file in the second box.
3. Just click Here To Download The Assignment. After downloading the file simply copy the text and paste in the Third box.
Conclusion
Hopefully, this article will be useful for you to find all the Week, final assessment and Peer Graded Assessment Answers of Solar Energy Basics of Coursera and grab some premium knowledge with less effort. If this article really helped you in any way then make sure to share it with your friends on social media and let them also know about this amazing training. You can also check out our other course Answers. So, be with us guys we will share a lot more free courses and their exam/quiz solutions also and follow our Techno-RJ Blog for more updates.
What i do not understood is if truth be told how you’re now not really much more smartly-liked than you might be right now. You are very intelligent. You realize therefore considerably when it comes to this subject, made me in my view consider it from so many varied angles. Its like women and men aren’t interested until it?¦s something to accomplish with Girl gaga! Your individual stuffs outstanding. Always care for it up!
The very heart of your writing whilst sounding agreeable in the beginning, did not work very well with me after some time. Somewhere throughout the paragraphs you actually were able to make me a believer but only for a while. I nevertheless have a problem with your leaps in logic and one might do nicely to help fill in all those breaks. In the event you actually can accomplish that, I could definitely be impressed.
I am glad to be one of several visitants on this outstanding internet site (:, appreciate it for posting.
certainly like your web-site but you have to check the spelling on several of your posts. Several of them are rife with spelling problems and I find it very troublesome to tell the truth on the other hand I?¦ll certainly come back again.
I have been absent for some time, but now I remember why I used to love this web site. Thanks, I will try and check back more frequently. How frequently you update your web site?
Excellent web site. A lot of useful info here. I¦m sending it to a few pals ans additionally sharing in delicious. And certainly, thanks to your effort!
Thanks for one’s marvelous posting! I actually enjoyed reading it, you could be a great author.I will be sure to bookmark your blog and may come back in the future. I want to encourage you to ultimately continue your great posts, have a nice morning!
Oh my goodness! an incredible article dude. Thank you Nonetheless I am experiencing situation with ur rss . Don’t know why Unable to subscribe to it. Is there anyone getting an identical rss downside? Anyone who knows kindly respond. Thnkx
certainly like your web site but you need to test the spelling on quite a few of your posts. A number of them are rife with spelling problems and I find it very troublesome to tell the reality on the other hand I’ll surely come again again.
Hmm is anyone else experiencing problems with the pictures on this blog loading? I’m trying to determine if its a problem on my end or if it’s the blog. Any feed-back would be greatly appreciated.
As I website owner I believe the content here is rattling excellent, thankyou for your efforts.
It is truly a nice and helpful piece of information. I am happy that you just shared this useful info with us. Please stay us informed like this. Thanks for sharing.
Woah! I’m really enjoying the template/theme of this blog. It’s simple, yet effective. A lot of times it’s very hard to get that “perfect balance” between superb usability and appearance. I must say you’ve done a excellent job with this. Additionally, the blog loads extremely fast for me on Internet explorer. Superb Blog!
Write more, thats all I have to say. Literally, it seems as though you relied on the video to make your point. You obviously know what youre talking about, why throw away your intelligence on just posting videos to your blog when you could be giving us something enlightening to read?
I went over this site and I conceive you have a lot of wonderful info , saved to my bookmarks (:.
Together with everything that appears to be developing within this specific area, your opinions are generally very radical. Nevertheless, I appologize, because I do not give credence to your whole theory, all be it stimulating none the less. It looks to everybody that your commentary are generally not entirely rationalized and in simple fact you are your self not even completely certain of your argument. In any case I did enjoy examining it.
very good post, i definitely love this web site, keep on it
The next time I read a blog, I hope that it doesnt disappoint me as much as this one. I mean, I know it was my choice to read, but I actually thought youd have something interesting to say. All I hear is a bunch of whining about something that you could fix if you werent too busy looking for attention.
After I originally commented I clicked the -Notify me when new comments are added- checkbox and now every time a comment is added I get four emails with the identical comment. Is there any approach you’ll be able to take away me from that service? Thanks!
I have been absent for a while, but now I remember why I used to love this site. Thank you, I will try and check back more often. How frequently you update your web site?
Very interesting subject , appreciate it for posting.
After study a few of the blog posts on your website now, and I truly like your way of blogging. I bookmarked it to my bookmark website list and will be checking back soon. Pls check out my web site as well and let me know what you think.
tadalafil sale tadalafil for women male ed drugs
Hello. fantastic job. I did not expect this. This is a splendid story. Thanks!
generic duricef 250mg cefadroxil 250mg cheap order propecia online cheap
buy diflucan generic buy generic ampicillin for sale cipro 1000mg for sale
estradiol canada buy lamotrigine generic minipress 1mg ca
flagyl 400mg usa flagyl oral keflex price
vermox cost tretinoin cream sale tadalis 20mg generic
order cleocin 300mg oral erythromycin 250mg buy fildena 100mg online
avana us avana 200mg usa cambia us
buy indomethacin capsule order cefixime pills cefixime for sale
nolvadex 20mg tablet tamoxifen 10mg canada ceftin where to buy
cheap bimatoprost careprost for sale desyrel 50mg brand
catapres ca spiriva 9mcg cost buy tiotropium bromide
order arava 10mg online arava 20mg generic order sulfasalazine 500 mg online
order tadalafil 20mg pills cialis 20 mg price female cialis tadalafil
Hi, just required you to know I he added your site to my Google bookmarks due to your layout. But seriously, I believe your internet site has 1 in the freshest theme I??ve came across. It extremely helps make reading your blog significantly easier.