A) It is exclusively done by hand without automation. B) It requires a complex assembly line with heavy machinery. C) It involves thousands of tiny moving parts. D) It is simple and does not require many complex or moving parts.
A) 10 to 30 years B) 6 months to 2 years C) 1 to 5 years D) 50 to 100 years
A) By increasing the operating temperature B) By replacing silicon with copper C) By painting the panels black D) By simply adding more photovoltaic components
A) Because raw materials become free in bulk B) Because smaller systems are illegal to sell C) Because larger factories require less electricity D) Because costs decrease with increasing output
A) 10% B) 90% C) 25% D) 50%
A) Processing polysilicon from mined quartz until very pure B) Melting down copper ore into thin wires C) Mixing plastic polymers with liquid glass D) Weaving fiberglass sheets into a mesh
A) Group I B) Group VII C) Group V D) Group III
A) A non-conductive ceramic insulator B) An n-type semiconductor rich in free electrons C) A pure metallic conductor D) A p-type semiconductor rich in electron holes
A) By applying high-voltage electric shocks B) Through centrifugal spinning C) By rapid cooling in a vacuum D) Typically using a seed crystal
A) With high-powered lasers B) With wire saws C) Using diamond-tipped scissors D) By chemical acid dissolution
A) Melting and reshaping B) Painting and polishing C) Surface etching and then cleaning D) Freezing and shattering
A) A manual paintbrush B) A liquid phosphorus dip tank C) A phosphorus vapor deposition furnace D) A high-pressure spray nozzle
A) Group III B) Group IV C) Group V D) Group II
A) An isolated non-conducting surface B) An n-type surface C) A purely magnetic surface D) A p-type surface
A) To change the color of the panel to blue B) To prevent water from touching the silicon C) To increase the weight of the panel D) To reduce energy losses
A) Glass covers B) Electrical contacts C) Cooling fans D) Mounting brackets
A) They are submerged in saltwater to test corrosion B) They are exposed to direct sunlight for a mandatory 5-year test C) They are connected via electrical circuit according to specific application and prepared for shipping D) They are melted down again for recycling
A) Production produces greenhouse gas emissions B) They permanently deplete the ozone layer instantly upon installation C) They require continuous burning of fossil fuels to operate D) They emit high levels of radioactive radiation
A) Recycling is mandated by international law and universally practiced. B) Solar panels biodegrade naturally within weeks. C) There are no viable technologies for recycling solar waste. D) Solar waste is 100% recyclable easily.
A) Because the values fluctuate hourly based on the stock market B) Due to the lack of systematic and accurate analyses in the scientific literature C) Because human labor and water are never used in PV manufacturing D) Because companies keep this information completely secret by law
A) Calculating the speed of light hitting the panels B) Determining if wastes are released to the air, water, or soil C) Measuring the exact voltage produced by individual atoms D) Weighing individual photons
A) Because PV systems last forever and never reach the end of their lifecycle B) Because all PV manufacturers use identical proprietary secrets C) Because these are new technologies and the total environmental impact of components and disposal methods is unknown D) Because governments have banned life-cycle assessments
A) Energy costs of the manufacture and/or transport B) The number of workers employed in the factory C) The aesthetic appeal of the solar farm D) The exact monetary profit of the manufacturing plant
A) Carbon dioxide equivalents per kWh or energy pay-back time (EPBT) B) Market price and resale value C) Aoe and color distortion D) Total weight and melting point
A) Effective power break-even threshold B) Electrical photovoltaic battery test C) Environment protection balance technology D) Energy pay-back time
A) The time it takes for a solar panel to pay for itself in financial currency B) The timespan a PV system needs to operate to generate the same amount of energy used for its manufacture C) The time required for the sun to set and rise again D) The lifespan of the inverter before a mandatory replacement
A) Shorter operational lifespan B) Higher greenhouse gas emissions C) Higher manufacturing complexity D) Lower environmental cost of solar power
A) The location where the PV system is installed and the type of system B) The time of day the panels are shipped C) The political party in power in the installation country D) The brand name of the inverter and the color of the frame
A) Operating temperatures B) Physical dimensions C) Installation angles D) Embedded energy
A) The installation of mounting screws B) The transport of panels via cargo ship C) The manufacturing of the aluminum frame D) The refining of the polysilicon
A) Subterranean wiring and concrete foundations B) Inverters and module frame C) Manual labor and insurance fees D) Packaging and shipping materials
A) The amount of quartz mined from the earth B) The quantity of phosphorus vapor needed C) The energy cost of manufacture D) The physical weight of silicon wafers
A) Balance of System B) Silicon Equivalent Array C) Secondary Power Matrix D) Supplementary Grid Unit
A) Gross domestic product and inflation rate B) Silicon purity and wafer thickness C) Net energy gain (NEG) and energy returned on energy invested (EROI) D) Voltage drop and electrical resistance
A) The ratio of sunlight hours to nighttime hours in a year B) The financial profit made by selling electricity back to the utility company C) The total weight of materials mined versus the weight of finished panels D) The difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest
A) 100 years B) 25 to 30 years C) 50 to 60 years D) 1 to 5 years
A) Portability B) Scalability C) Combustibility D) Rigidity
A) Silicon B) Silver C) Platinum D) Copper
A) Aluminum B) Silicon C) Silver D) Carbon
A) Since the 1950s B) Since 2010 C) Since the 1970s D) Since the 1990s
A) The Japanese government B) The German government C) The United States government D) The Chinese government
A) China B) Japan C) United States D) Germany
A) Carbon taxes B) Fuel subsidies C) Preferential feed-in tariffs D) Mandatory installation fees
A) Nearly twenty percent B) Nearly five percent C) Nearly two percent D) Nearly ten percent
A) Second B) First C) Third D) Fourth
A) Luigi Galvani B) Alessandro Volta C) Walter Sandtner D) Edmond Becquerel
A) The solar cell B) The photovoltaic effect C) The inverter D) The battery
A) 1994 B) 1989 C) 1839 D) 1849
A) Edmond Becquerel B) Walter Sandtner C) Alessandro Volta D) Nikola Tesla
A) A copper cable B) A lithium battery C) A semiconductor material D) A metallic solution
A) Japan B) Germany C) Italy D) France
A) Heinrich Hertz B) Walter Sandtner C) Edmond Becquerel D) Alessandro Volta
A) Berlin B) Tokyo C) Paris D) Bonn
A) 1849 B) 1839 C) 1989 D) 539
A) Average weather conditions (AWC) B) Standard test conditions (STC) C) Peak solar radiation (PSR) D) Maximum load conditions (MLC)
A) Cp B) Wp C) Ap D) Vp
A) Watts per-hour B) Watts peak C) Watt potential D) Working power
A) Boats B) Urban power grids C) Commercial skyscrapers D) Large industrial factories
A) Voltmeter only B) DC clamp meter C) Multimeter exclusively D) Oscilloscope
A) Bypass diodes B) Inductors C) Resistors D) Capacitors
A) Optimal cell B) Output current C) Operational capacitance D) Open-circuit voltage
A) Watts B) Amperes C) Ohms D) Volts
A) Watt-power B) Wired panel C) Working potential D) Watt-peak
A) 100 W B) 10 W C) 50 W D) 75 W
A) 1000 W B) 600 W C) 300 W D) 450 W
A) Power-integrated device B) Potential-induced degradation C) Photon-ionization damage D) Performance-index drop
A) Stray currents B) Direct sunlight C) Rainwater D) High temperatures
A) Silicon B) Phosphorus C) Boron D) Cadmium
A) Twenty-fold B) Two-fold C) Ten-fold D) Hundred-fold
A) Power drop ratio B) Loss coefficient C) Efficiency factor D) Degradation index
A) Polycrystalline silicon B) Monocrystalline silicon C) Thin-film D) Crystalline silicon
A) Amorphous silicon B) CIGS C) Cadmium telluride D) Micromorphic silicon
A) 1500 °C B) 2000 °C C) 500 °C D) 1000 °C
A) About 5 kilowatt-hours B) About 11 kilowatt-hours C) About 50 kilowatt-hours D) About 25 kilowatt-hours
A) 21.5% B) 18.2% C) 10.5% D) 14.0%
A) Anti-reflection film B) N-layer C) Front electrode D) P-layer
A) Third generation B) First generation C) Second generation D) Fourth generation
A) Planck efficiency limit B) Betz efficiency limit C) Carnot efficiency limit D) Shockley–Queisser efficiency limit
A) 21% B) 1% C) 28% D) 4.7%
A) 1% B) 28% C) 21% D) 4.7%
A) 2 mm B) 1–5 mm C) 50–150 nm D) Less than 1 μm
A) 38 grams B) 30 grams C) Around 18 grams D) 1 gram
A) Monocrystalline Si B) CZTS C) CIGS D) CdTe
A) Around 2 mm B) Less than 1 μm C) 10–20 mm D) 50–150 nm
A) Conventional Si B) Cu2ZnSnS4 (CZTS) C) Cadmium telluride D) Monocrystalline Si
A) Shockley-Queisser method B) Cradle to gate method C) EPBT method D) CoMoCAT method
A) Heavy metals exclusively B) Earth abundant, nontoxic materials C) Rare and toxic materials D) Cadmium-based materials
A) Shockley and Queisser B) Celik et al. C) CoMoCAT D) CIGS and partners
A) 4.7% B) 1% C) 21% D) 28%
A) 1% B) 21% C) 4.7% D) 28%
A) ~18 times higher B) ~3 times higher C) ~28 times higher D) ~18% higher
A) Cost-plus pricing B) Subsidized pricing C) Value-based pricing D) Fixed-rate pricing
A) 2003 B) 1977 C) 2024 D) 2011
A) 50 markets B) 19 markets C) 100 markets D) 5 markets
A) Assumptions B) Government approvals C) Weather data points D) Financial audits
A) Subsidies were abolished in the year 2000 B) Yes, the USA also subsidies the industry C) No, the USA strictly forbids any form of subsidy D) Only state governments provide subsidies, not federal
A) Crowdfunding platforms B) International loans from the UN C) Nationalization of energy grids D) Securitization
A) Nuclear generators B) Permanent battery storage only C) Coal-fired power plants D) Spinning reserves as back-up
A) Extra money B) Water credits C) Free appliances D) Tax penalties
A) 5,000 B) 9,094 C) 1,845 D) 14,447 |