Metal Roofing And Solar Systems - Determining The Best Combination
(81).webp "Metal Roofing And Solar Systems - Determining The Best Combination - Quiz")
Based upon article by Scott Kriner, Tim Polega and Jason Watts that appeared in the Construction Specifier magazine in June 2011. Jim Bush also is quoted in this article.
- 1.
The production of PV has nearly doubled every _____ years since 2002.
- A.
Two
- B.
Three
- C.
Twelve
- D.
Twenty
Correct Answer
A. TwoExplanation
The production of PV has nearly doubled every two years since 2002. This means that the amount of PV produced has been increasing at a rapid rate, with each year's production being approximately double the previous year's production. This exponential growth pattern has led to a significant increase in the overall production of PV over the years.Rate this question:
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- 2.
Which factors listed below are attributed to the increase of PV production?
- A.
Price of silicon has lowered
- B.
Manufacturing has become more efficient
- C.
Systems have imprroved in performance and ROI
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The increase in PV production can be attributed to multiple factors. Firstly, the lowering of the price of silicon, which is a key material used in PV panels, has made the production of PV panels more affordable. Secondly, advancements in manufacturing techniques have led to increased efficiency in the production process, resulting in higher output. Lastly, improvements in the performance and return on investment (ROI) of PV systems have made them more attractive to consumers and investors, leading to an overall increase in PV production.Rate this question:
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- 3.
A natural convective cooling technique is called:
- A.
Cool roofing
- B.
ENERGY STAR qualified
- C.
Above-sheathing ventilation
- D.
CRRC qualified
Correct Answer
C. Above-sheathing ventilationExplanation
Above-sheathing ventilation is a natural convective cooling technique that involves creating a gap between the roof sheathing and the insulation layer. This allows for the movement of air, which helps to remove heat from the roof and reduce the temperature inside the building. By promoting airflow, above-sheathing ventilation helps to prevent the buildup of heat and improve the overall energy efficiency of the building.Rate this question:
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- 4.
Having a metal roof that meets or exceeds the _____ year life of most solar panels provides tremendous financial savings.
- A.
20
- B.
25
- C.
30
- D.
50
Correct Answer
B. 25Explanation
Having a metal roof that meets or exceeds the 25-year life of most solar panels provides tremendous financial savings. This means that if the metal roof lasts for 25 years or more, it will align with the lifespan of the solar panels. This is important because it ensures that the roof will not need to be replaced before the solar panels, saving the homeowner from incurring additional costs. Additionally, a longer-lasting roof also means that the homeowner can maximize the financial benefits of the solar panels over their lifespan.Rate this question:
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- 5.
A new metal roof, or one applied as a retrofit over another system, is currently in the _____ per square foot range.
- A.
$3 to $5
- B.
$5 to $10
- C.
$7 to $12
- D.
$10 to $15
Correct Answer
B. $5 to $10Explanation
The correct answer is $5 to $10. This range indicates the cost per square foot for a new metal roof or one applied as a retrofit over another system. It suggests that the cost can vary between $5 and $10 per square foot, depending on factors such as the type of metal used, the complexity of the installation, and any additional features or customization required.Rate this question:
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- 6.
A PV installation is in the _____ per square foot range, before incentives are applied.
- A.
$10 to $30
- B.
$20 to $40
- C.
$30 to $50
- D.
$40 to $60
Correct Answer
C. $30 to $50Explanation
The correct answer is $30 to $50. This means that the cost of a PV installation per square foot falls within the range of $30 to $50, before any incentives or discounts are applied. This range indicates the typical cost range for installing a PV system, which includes the necessary equipment and installation labor.Rate this question:
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- 7.
What is an advantage of using a standing seam metal roof under a PV system?
- A.
The roof can be installed to a pitch that maximizes the sun's angle.
- B.
Metal can provide a substrate or roof covering that has a life span equal to or greater than the PV
- C.
Standing seam metal roofing allows PV to be installed without penetrating the roof surface.
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The advantage of using a standing seam metal roof under a PV system is that it can be installed to a pitch that maximizes the sun's angle, metal can provide a substrate or roof covering that has a life span equal to or greater than the PV, and standing seam metal roofing allows PV to be installed without penetrating the roof surface.Rate this question:
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- 8.
Before any type of PV system is considered, it is wise for a building owner to do what?
- A.
Determine which type of PV system is desirable
- B.
Calculate the amount of usable space on the roof
- C.
Reduce the building's energy consumption as much as possible
- D.
Determine the building's orientation to see if the sun's angle will be maximized
Correct Answer
C. Reduce the building's energy consumption as much as possibleExplanation
Before considering any type of PV system, it is wise for a building owner to reduce the building's energy consumption as much as possible. This is important because reducing energy consumption can help optimize the efficiency and effectiveness of the PV system. By reducing energy consumption, the building owner can ensure that the PV system is not being used to offset unnecessary energy usage, resulting in a more cost-effective and sustainable solution. Additionally, reducing energy consumption can also help determine the appropriate size and type of PV system needed for the building's energy needs.Rate this question:
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- 9.
The building's owner should have the roof structure analyzed by a __________ to determine its ability to support the system.
- A.
Roofing contractor
- B.
Structural engineer
- C.
Mechanical engineer
- D.
Local code official
Correct Answer
B. Structural engineerExplanation
A structural engineer is the most appropriate professional to analyze the roof structure and determine its ability to support the system. Roofing contractors specialize in installing and repairing roofs, but they may not have the expertise to assess the structural integrity of the roof. Mechanical engineers focus on designing and analyzing mechanical systems, not evaluating the structural capacity of buildings. Local code officials may have knowledge of building codes, but they may not have the specialized expertise to analyze the roof structure. Therefore, a structural engineer is the best choice for this task.Rate this question:
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- 10.
Crystalline PV modules weigh approximately _____ pounds per square foot.
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3Explanation
Crystalline PV modules weigh approximately 3 pounds per square foot.Rate this question:
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- 11.
Thin-film PV laminates weigh approximately _____ pounds per square foot.
- A.
1/2
- B.
1
- C.
1-1/2
- D.
2
Correct Answer
B. 1Explanation
Thin-film PV laminates weigh approximately 1 pound per square foot.Rate this question:
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- 12.
How many annual inspections are recommended for an installed PV system?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
It is recommended to have two annual inspections for an installed PV system. These inspections are important to ensure the system is functioning properly and to identify any potential issues or maintenance needs. Regular inspections help to maximize the efficiency and lifespan of the PV system, as well as ensure the safety of the system and its surroundings. By conducting two annual inspections, any necessary repairs or adjustments can be made promptly, reducing the risk of system failures or inefficiencies.Rate this question:
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- 13.
If a crystalline PV module is specified to be installed over a standing seam metal roof,it is critical the location of the seam clamps (i.e. S-5! clamps) be located:
- A.
Anywhere, except for directly above the seam clip
- B.
At all 4 corners of the PV module
- C.
At every 12" around the perimeter of the PV module
- D.
Directly above the seam clip
Correct Answer
D. Directly above the seam clipExplanation
The correct answer is "Directly above the seam clip" because installing the seam clamps directly above the seam clip ensures proper attachment and stability of the crystalline PV module on the standing seam metal roof. Placing the clamps anywhere else may result in an insecure installation and potential damage to the PV module.Rate this question:
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- 14.
On page three, a photo of one of ATAS's ATA-Solar projects is shown. It is the:
- A.
Catasauqua PA School District Building
- B.
Delaware Department of Transportation (Del-DOT) Building
- C.
Fort Irwin military building in California
- D.
Providence College's Slaving Center in Providence, RI
Correct Answer
D. Providence College's Slaving Center in Providence, RI -
- 15.
The best way to find alternative funding and incentives for renewable and efficiency products is to check on this on-line database:
- A.
Www.dsireusa.org
- B.
Www.statesolarincentives.com
- C.
Www.renewableincentives.com
- D.
Www.greenincentives.net
Correct Answer
A. Www.dsireusa.orgExplanation
The website www.dsireusa.org is the best way to find alternative funding and incentives for renewable and efficiency products.Rate this question:
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- 16.
Using rooftop PV systems will allow a building that is seeking LEED certification to achieve points in:
- A.
SS Credit 7.2: Heat Island Effect - Roof (SS = Sustainable Sites)
- B.
EA Credit 2: On-Site Renewable Energy (EA = Energy and Atmosphere)
- C.
MR Credit 4: Recycled Content (MR = Materials and Resources)
- D.
MR Credit 2: Construction Waste Management (MR = Materials and Resources)
Correct Answer
B. EA Credit 2: On-Site Renewable Energy (EA = Energy and AtmospHere)Explanation
Using rooftop PV systems will allow a building to generate renewable energy on-site, which aligns with the criteria for earning points in EA Credit 2: On-Site Renewable Energy. This credit focuses on promoting the use of renewable energy sources to reduce the building's reliance on non-renewable energy and decrease greenhouse gas emissions. By installing rooftop PV systems, the building can generate clean energy from the sun, thereby contributing to the achievement of LEED certification.Rate this question:
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- 17.
LEED SS Credit 7.2: Heat Island Effect - Roofs, encourages use of roofing material compliant with _____ values.
- A.
Solar reflectance
- B.
Thermal emittance
- C.
SRI (solar reflective index)
- D.
ENERGY STAR
Correct Answer
C. SRI (solar reflective index)Explanation
LEED SS Credit 7.2: Heat Island Effect - Roofs encourages the use of roofing materials compliant with SRI (solar reflective index) values. The SRI is a measure of a material's ability to reflect solar heat, with higher values indicating better heat reflection. By using roofing materials with higher SRI values, buildings can reduce the heat island effect, which refers to the phenomenon of increased temperatures in urban areas due to the absorption and re-emission of solar radiation by buildings and paved surfaces.Rate this question:
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- 18.
For a steep-slope roof to qualify for the SS Credit 7.2: Heat Island Effect - Roofs, the SRI must be greater than or equal to _____.
- A.
29
- B.
50
- C.
60
- D.
78
Correct Answer
A. 29Explanation
To qualify for the SS Credit 7.2: Heat Island Effect - Roofs, a steep-slope roof must have a Solar Reflectance Index (SRI) that is greater than or equal to 29. The SRI is a measure of a roof's ability to reflect solar heat, with higher values indicating greater reflectivity. Therefore, a minimum SRI of 29 ensures that the roof has a sufficient level of reflectivity to mitigate the heat island effect, which is the phenomenon where urban areas experience higher temperatures due to the absorption and retention of solar heat by buildings and pavement.Rate this question:
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- 19.
For a low-slope roof to qualify for the SS Credit 7.2: Heat Island Effect - Roofs, the SRI must be greater than or equal to _____.
- A.
29
- B.
50
- C.
60
- D.
78
Correct Answer
D. 78Explanation
The question is asking for the minimum Solar Reflectance Index (SRI) required for a low-slope roof to qualify for the SS Credit 7.2: Heat Island Effect - Roofs. The correct answer is 78, which means that the SRI must be greater than or equal to 78 for the roof to meet the qualification criteria. The SRI measures the ability of a surface to reflect solar heat, with higher values indicating greater reflectivity and lower heat absorption. Therefore, a higher SRI is required to qualify for the credit and contribute to reducing the heat island effect.Rate this question:
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- 20.
The SRI is a unitless value that is calculated using ___________, Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-sloped Opaque Surfaces.
- A.
ASTM E 1592
- B.
UL 790
- C.
AAMA 2605
- D.
ASTM E 1980
Correct Answer
D. ASTM E 1980Explanation
The SRI (Solar Reflectance Index) is a unitless value that is calculated using ASTM E 1980, which is the Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-sloped Opaque Surfaces. This standard provides the guidelines and procedures for determining the SRI of different surfaces, which is an important factor in assessing the energy efficiency and heat island mitigation potential of buildings and materials.Rate this question:
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- 21.
What is a way to fund a renewable energy system?
- A.
Secure a bank loan
- B.
Obtain a line of credit
- C.
Lease the system through programs such as a Power Purchase Agreement (PPA)
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
All of the options listed - securing a bank loan, obtaining a line of credit, and leasing the system through programs like a Power Purchase Agreement (PPA) - are viable ways to fund a renewable energy system. Securing a bank loan involves borrowing money from a bank specifically for the purpose of financing the system. Obtaining a line of credit allows for flexible borrowing and repayment options. Leasing the system through a PPA involves entering into an agreement where a third-party owns and operates the system, and the customer agrees to purchase the energy generated by the system. Therefore, all of these options can be used to fund a renewable energy system.Rate this question:
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- 22.
The largest single solar array thin-film laminate system in Ohio is the:
- A.
Meadowlands Commission's Center for Environmental and Scientific Education
- B.
Peterson Field House at the University of Mount Union
- C.
Slavin Center
- D.
Rock and Roll Hall of Fame
Correct Answer
B. Peterson Field House at the University of Mount UnionExplanation
The correct answer is Peterson Field House at the University of Mount Union. This means that out of the given options, Peterson Field House at the University of Mount Union has the largest single solar array thin-film laminate system in Ohio.Rate this question:
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- 23.
At the New Jersey Meadowlands Commission's Center for Environmental and Scientific Education, the solar units are expected to produce a peak maximum of _________ watts of electricity.
- A.
17,000
- B.
22,000
- C.
33,000
- D.
66,000
Correct Answer
C. 33,000Explanation
The solar units at the New Jersey Meadowlands Commission's Center for Environmental and Scientific Education are expected to produce a peak maximum of 33,000 watts of electricity. This indicates that the solar units have a high capacity to generate electricity, which is important for meeting the energy needs of the center.Rate this question:
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- 24.
A school in rural Nevada installed a new metal roof and used non-penetrating clamps with which to attach the crystalline solar modules, which reduced labor time by _______.
- A.
10%
- B.
25%
- C.
30%
- D.
50%
Correct Answer
B. 25%Explanation
The installation of a new metal roof in a school in rural Nevada, along with the use of non-penetrating clamps to attach the solar modules, resulted in a reduction of labor time by 25%. This means that the installation process was made more efficient and required less time and effort.Rate this question:
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- 25.
The MasterFormat number for Photovoltaic Collectors is:
- A.
05 30 00
- B.
07 00 00
- C.
07 16 16
- D.
26 31 00
Correct Answer
D. 26 31 00Explanation
The MasterFormat number for Photovoltaic Collectors is 26 31 00. This number represents the specific category or classification for Photovoltaic Collectors within the MasterFormat system. Each number in the MasterFormat system corresponds to a specific division, section, or subsection of construction information. In this case, 26 represents the Electrical division, 31 represents the Photovoltaic Collectors section, and 00 represents the subsection for Photovoltaic Collectors.Rate this question:
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Feb 21, 2024Quiz Edited by
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