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Exam (elaborations)

PV TEST #1 UPDATED ACTUAL Exam Questions and CORRECT Answers

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  • Photovoltic
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  • Photovoltic

V TEST #1 UPDATED ACTUAL Exam Questions and CORRECT Answers A photovoltaic cell or device converts sunlight to _______. - CORRECT ANSWER - DC electrical energy PV systems operating in parallel with the electric utility system are commonly referred to as ________ systems. - CORRECT ANSWER - d...

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  • February 23, 2025
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • pv test 1
  • Photovoltic
  • Photovoltic
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MGRADES
PV TEST #1 UPDATED ACTUAL Exam
Questions and CORRECT Answers
A photovoltaic cell or device converts sunlight to _______. - CORRECT ANSWER - DC
electrical energy


PV systems operating in parallel with the electric utility system are commonly referred to as
________ systems. - CORRECT ANSWER - distributed


PV systems operating independently of other power sysems are commonly referred to as
________. - CORRECT ANSWER - stand-alone


Photovoltaic applications for spacecraft, remote power and portable equipment would be
considered what type of systems? - CORRECT ANSWER - off-grid remote


While PV cells produce only ______ power, PV systems can produce ______ power. -
CORRECT ANSWER - DC, AC


Balance of system (BOS) components typically include which of the following? - CORRECT
ANSWER - wiring, conduit, switchgear and overcurrent protection


Most PV modules produced and installed today are what type of collector? - CORRECT
ANSWER - Flat-plate


Concentrating PV arrays use ______ or ______ to focus the sun's power on a smaller area. -
CORRECT ANSWER - Mirror, lenses


A primary distinction between PV systems and fossil-fueled power plants or engine generators is
the PV systems ______? - CORRECT ANSWER - produce free electricity, convert a basic
for of energy directly to electricity, require no maintenance (all of the above)

, Compared to conventional power generating equipment, PV systems have relatively ______ life
and require ______ maintenance. - CORRECT ANSWER - long/low



List three desirable features of PV systems. - CORRECT ANSWER - clean energy,
flexible, extremely reliable


In addition to using a free, renewable fuel source, what are two key environmental benefits of PV
systems? - CORRECT ANSWER - renewable energy, no noise, no pollution


The first markets of PV systems were compromised largely of ______ applications. - CORRECT
ANSWER - off grid



List the three main components of the electric utility system. - CORRECT ANSWER -
Generation, transmission, distribution


The first terrestrial applications for photovoltaics were ______. - CORRECT ANSWER -
telecomunication systems


The first practical silicon solar cell was made in ______. - CORRECT ANSWER - 1954



Solar power is commonly expressed in units of ______. - CORRECT ANSWER - watts
per square meter (W/m2)


Solar energy is commonly expressed in units of ______. - CORRECT ANSWER - watt-
hours per square meter (Wh/m2) or kilowatt-hours per square meter (kWh/m2)


Which of the following terms may be used to describe solar energy? - CORRECT
ANSWER - insolation, irradiation, peak sun hours (all of the above)


If the solar energy received on a surface is 4kWh/m2 and there are 12 hours of daylight, how
many peak sun hours are available? - CORRECT ANSWER -4

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