Photovoltaic Final Exam Questions And All Correct Answers.
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Course
Solar PV Engineering and Installation
Institution
Solar PV Engineering And Installation
A photovoltaic cell or device converts sunlight to ___ - Answer DC electrical energy
PV systems operating in parallel with the electric utility system are commonly referred to as ___ systems - Answer interactive
PV systems operating independently of other power systems are commonly refe...
Photovoltaic Final Exam Questions And
All Correct Answers.
A photovoltaic cell or device converts sunlight to ___ - Answer DC electrical energy
PV systems operating in parallel with the electric utility system are commonly referred to as ___ systems
- Answer interactive
PV systems operating independently of other power systems are commonly referred to as ___ systems -
Answer stand alone
photovoltaic applications for spacecraft, remoted power and portable equipment would be considered
what type of systems? - Answer stand alone
While PV cells produce only ___ power, PV systems can produce ___ power - Answer DC, AC, or both
Balance of system components typically include which of the following? - Answer wiring, conduit,
switchgear, and overcurrent protection
Most PV modules produced and installed today are what type of collector? - Answer Flat plate
Concentrating PV arrays use ___ or ___ to focus the suns power on a smaller area - Answer mirror or
lenses
A primary distinction between PV systems and fossil-fueled power plants or engine generators is that PV
systems ___ - Answer produce free electricity,
convert a basic form of energy directly to electricity,
require no maintenance
, Compared to conventional power generating equipment, PV systems have relatively ___ life and require
___ maintenance - Answer long/low
List three desirable features of PV systems - Answer clean no emissions, no moving parts, free and
renewable fuel source
In addition to using a free, renewable fuel source, what are two key environmental benefits of PV
systems? - Answer renewable energy, no noise, no pollution
List at least three limitations of PV systems - Answer off grid
The first markets for PV systems were comprised largely of ___ applications - Answer comprised
List two advantages of distributed power generation - Answer less transmission and distribution losses
utility back up
List the three main components of the electric utility system - Answer generation, transmission, and
distribution
PV systems can be installed by almost anyone with little training - Answer false
The first terrestrial applications for photovoltaics were ___ - Answer telecommunication systems
List six characteristics of qualified PV system installers or contractors - Answer page 16 list
The first practical silicon solar cell was made in ___ - Answer 1954
List four types of small electronics devices that may use photovoltaic cells for primary power or battery
charging - Answer cell phones, calculations, radios, GPS receivers
Solar power is commonly expressed in units of ___ - Answer watts per square meter
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