PV Exam Prep (PV 220) Practice Exam
Which of the following is constantly monitored with the aid of an automated transfer transfer?
A) Primary power supply
B) Secondary electricity source
C) Inverter reputation
D) DC voltage - ANSA) Primary electricity source
A fundamental feature that maximum grid-connected PV systems offer consumers is the ability
to:
A) Provide electricity to the electrical software on/demand
B) Store strength for backup energy
C) Send extra energy to the electric utility
D) Sell excess power to the buddies - ANSC) Send excess electricity to the electrical application
What is meant by means of the term SOLAR NOON?
A) Noon (clock time), after correcting for magnetic declination on the website
B) Time of day whilst the solar is at its most altitude
C) Point at which the solar's rays are at once perpendicular to the PV array floor
D) Time of day while the PV array is at the height of its strength curve - ANSB) Time of day
whilst the solar is at its maximum altitude
Which of the subsequent guides specially and solely addresses troubles and standards
regarding Electrical Safety inside the Workplace?
A) NFPA 70E
B) NFPA 70
C) OSHA 29 CFR 1926
D) OSHA 29 CFR 1910 - ANSA) NFPA 70E
Which of the subsequent is taken into consideration a lifeless load on a rooftop?
A) The weight of the people installing a PV gadget
B) Vibrations from seismic hobby
C) Snow
D) Wind - ANSC) Snow
, When the usage of the American Wire Gauge (AWG) machine, which of the subsequent is the
biggest conductor?
A) 1/0
B) 2/0
C) 6
D) 8 - ANSB) 2/zero
Which kind of inverter is maximum appropriate for applications with more than one roof angles
and PV module orientations?
A) Stand-on my own 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 shows all PV machine components,
connections, and statistics concerning their interconnection with present electric
device/infrastructure on website, and may be required with the aid of the nearby permitting
authority?
A) Three-line diagram
B) Array mounting design
C) Site drawing
D) One-line diagram - ANSA) Three-line diagram
Which of the subsequent is the first-class tool to apply to affirm the open circuit voltage of a PV
module?
A) Ammeter
B) Multimeter
C) Ohmmeter
D) Oscilloscope - ANSB) Multimeter
Which PV system component is most likely to need replacement, and must be factored into the
predictable renovation costs over the existence of the device?
A) Combiner box
B) Inverter
C) Module(s)
D) Rapid shutdown device - ANSB) Inverter
Which form of PV sister required the maximum renovation regarding tilt adjustment and shading
control from close by flora?
Which of the following is constantly monitored with the aid of an automated transfer transfer?
A) Primary power supply
B) Secondary electricity source
C) Inverter reputation
D) DC voltage - ANSA) Primary electricity source
A fundamental feature that maximum grid-connected PV systems offer consumers is the ability
to:
A) Provide electricity to the electrical software on/demand
B) Store strength for backup energy
C) Send extra energy to the electric utility
D) Sell excess power to the buddies - ANSC) Send excess electricity to the electrical application
What is meant by means of the term SOLAR NOON?
A) Noon (clock time), after correcting for magnetic declination on the website
B) Time of day whilst the solar is at its most altitude
C) Point at which the solar's rays are at once perpendicular to the PV array floor
D) Time of day while the PV array is at the height of its strength curve - ANSB) Time of day
whilst the solar is at its maximum altitude
Which of the subsequent guides specially and solely addresses troubles and standards
regarding Electrical Safety inside the Workplace?
A) NFPA 70E
B) NFPA 70
C) OSHA 29 CFR 1926
D) OSHA 29 CFR 1910 - ANSA) NFPA 70E
Which of the subsequent is taken into consideration a lifeless load on a rooftop?
A) The weight of the people installing a PV gadget
B) Vibrations from seismic hobby
C) Snow
D) Wind - ANSC) Snow
, When the usage of the American Wire Gauge (AWG) machine, which of the subsequent is the
biggest conductor?
A) 1/0
B) 2/0
C) 6
D) 8 - ANSB) 2/zero
Which kind of inverter is maximum appropriate for applications with more than one roof angles
and PV module orientations?
A) Stand-on my own 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 shows all PV machine components,
connections, and statistics concerning their interconnection with present electric
device/infrastructure on website, and may be required with the aid of the nearby permitting
authority?
A) Three-line diagram
B) Array mounting design
C) Site drawing
D) One-line diagram - ANSA) Three-line diagram
Which of the subsequent is the first-class tool to apply to affirm the open circuit voltage of a PV
module?
A) Ammeter
B) Multimeter
C) Ohmmeter
D) Oscilloscope - ANSB) Multimeter
Which PV system component is most likely to need replacement, and must be factored into the
predictable renovation costs over the existence of the device?
A) Combiner box
B) Inverter
C) Module(s)
D) Rapid shutdown device - ANSB) Inverter
Which form of PV sister required the maximum renovation regarding tilt adjustment and shading
control from close by flora?