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PV Exam Prep (PV 220) Practice Exam QUESTIONS AND ANSWERS GRADED A+ 2024/2025
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PV Exam Prep (PV 220) Practice Exam QUESTIONS AND ANSWERS GRADED A+ 2024/2025
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PV Exam Prep (PV 220) Practice ExamWhich of the following is constantly monitored by means of an automatic transfer transfer?
A) Primary energy supply
B) Secondary strength source
C) Inverter reputation
D) DC voltage - ANSA) Primary electricity source
A fundamental characteristic that most grid-related PV structures offer customers is the
ability to:
A) Provide power to the electrical utility on/call for
B) Store power for backup strength
C) Send excess energy to the electric utility
D) Sell extra power to the pals - ANSC) Send excess energy to the electric application
What is supposed via the term SOLAR NOON?
A) Noon (clock time), after correcting for magnetic declination at the website online
B) Time of day whilst the sun is at its maximum altitude
C) Point at which the solar's rays are without delay perpendicular to the PV array floor
D) Time of day whilst the PV array is at the peak of its strength curve - ANSB) Time of day
while the solar is at its maximum altitude
Which of the following courses specifically and totally addresses issues and requirements
regarding Electrical Safety in the Workplace?
A) NFPA 70E
B) NFPA 70
C) OSHA 29 CFR 1926
D) OSHA 29 CFR 1910 - ANSA) NFPA 70E
Which of the following is considered a useless load on a rooftop?
A) The weight of the employees installing a PV gadget
B) Vibrations from seismic activity
C) Snow
D) Wind - ANSC) Snow
When the use of the American Wire Gauge (AWG) gadget, which of the subsequent is the
largest conductor?
A) 1/0
B) 2/0
, C) 6
D) eight - ANSB) 2/0
Which sort of inverter is maximum appropriate for packages with a couple of roof angles and
PV module orientations?
A) Stand-by myself inverter(s)
B) Grid-tied string inverter(s)
C) Microinverter(s)
D) Multimode inverter(s) - ANSC) Microinverter(s)
Which of the following is an in depth drawing that suggests all PV gadget additives,
connections, and information regarding their interconnection with existing electric
system/infrastructure on website, and can be required by using the neighborhood permitting
authority?
A) Three-line diagram
B) Array mounting design
C) Site drawing
D) One-line diagram - ANSA) Three-line diagram
Which of the following is the great device to use to affirm the open circuit voltage of a PV
module?
A) Ammeter
B) Multimeter
C) Ohmmeter
D) Oscilloscope - ANSB) Multimeter
Which PV gadget thing is most possibly to want replacement, and ought to be factored into
the predictable protection fees over the life of the device?
A) Combiner box
B) Inverter
C) Module(s)
D) Rapid shutdown device - ANSB) Inverter
Which kind of PV sister required the most renovation regarding tilt adjustment and shading
control from close by flora?
A) Roof mount array
B) Pole-established, dual-axis, tracking array
C) Building-included awnings
D) Ground mount array - ANSD) Ground mount array
Which issue usually delineates the transition among the PV output circuit and the inverter
enter circuit in a grid-tied PV machine?
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