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17. Which time of the year is best for shade analysis?
A. Fall
B. Winter
C. Summer
D. Spring
B. Winter
38. True or False: Some PV modules can absorb reflected light on the back of the modules
A. True
B . False
B. False
4. Which one of these is the electrical system BOS component is
A. Conduit
B. Inverter
C. Microinverter
D. Charge Controller
A.Conduit
OSHA requires employers to implement fall-protection systems any time an employee is working at elevations of ?
6 feet or great
1. Which one of these is the professional qualifications are required to worker to set up fall protection
A. OSHA-30
B.Completions of a certified competency in that area of expertise
C.ANSI certification
D.NABCEP Associate
B.Completion of a certified competency in that area of expertise
19. In 2020 what was the average annual electricity consumption for a US residential utility customer?
A. 10,715KWH
B. 2MW
C. 893KWH
D.3,600W
A.10.715KWH
PV modules are grouped to make what
Solar Arrays
16. What is the main purpose of a combiner box?
A. To discharge excess electricity from the system
B. To conduct Electricity
C. To step down the voltage in the system
D. To join wiring from multiple arrays into a single larger wire
D. To join wiring from multiple arrays into a single larger wire
22. Where in the PV system might an arc flash most likely occur?
A. The AC and DC side
B. It doesn't occur in the PV system
C. The AC side
D. The DC side
D. The DC side
23. Which of the following is often the result of wiring too many PV modules in the same circuit?
A. Inverter losses
B. Burnt terminals
C. Heat fade
D. Bypass diode failure
B. Burnt terminals
15. With true north as the reference points, in the northern Hemisphere true south is true north plus
A. 180 degrees
B. 270 degrees
C.0 Degrees
D. 90 degrees
A. 180 Degrees
9. Why is the PV modules nameplate important?
A. it indicates the inverter efficiency rating
B. it provides a lookup table to factor in temperature deviations from STC
C. It provides the required battery amp-hours from the system
D. it indicates the maximum power output (STC)
D. it indicates the maximum power output (STC)
10. Where is the AC disconnect Located
A. At the microinverter
B. Near the Service Panel
C. Below the D-ring on a fall protection harness
D. In the Basement
B. Near the Service Panel
14. Which of the following is not a task performed during a site assessment?
A. Sketching a preliminary site survey of the jobsite buildings
B. System commissioning
C. Inspections of the interior and exterior of a building
D. Site research
B. System commissioning
7. Which of the following is not a power grid distribution component?
A. Step-down transformers
B. Main electrical service panel
C. Power Lines
D. Smart meter
B. Main electrical service panel
6. Wiring two 30V/5A PV modules in series produces
A.60V/5A
B.60V/10A
C.30V/5A
D.30V/10A
A.60V/5A
Solar Cells are combined to make what?
Pv Modules
13. Which of the following is a mechanical system BOS component?
A. Combiner Box
B. Racking Hardware
C. PV modules
D. Inverter
B. Racking Hardware
39. Always check you are using the right tools for the job, but in general PV system requires the use of
A. Category 2 or 3 multimeters
B. Category 3 or 4 multimeters
C. Category 1 multimeters
D. Category 2 multimeters
B. Category 3 or 4 multimeters
43. To Convert from KWH to WH, multiply by what value?
A. 1000
B. 10
C. 100
D. 745.7
A. 1000
8. The NEC requirements for PV installations can be found in
A.NEC article 517
B.NEC article 690
C. NEC article 422
D.NEC article 450
B. NEC article 690
How would you describe polycrystalline?
A type of PV cell formed by pouring liquid silicon into blocks and then slicing it into wafers. This creates non-uniform crystals with a flaked appearance that have a lower efficiency than monocrystalline cells.
35. How many grounding locations are included in a solar design?
A. Two on the DC side
B. Two: one on the DC side and one on the AC side
C. One on the Ac side
D. One on the DC side
B. Two: one on the DC side and one on the AC side
42. What do you need to take into consideration when assessing the required free length of a PFAS?
A. The system energized state
B. The terminals end sizing
C. ANSI safety rating
D. Deployment of the shock absorber
D. Deployment of the shock absorber
18. Why will battery storage capacity need to increase?
A. Transform solar energy to electrical energy
B. To reduce the amount of time it takes for electricity to be distributed from the utility company to the customer
C. To store the solar energy for distribution at any time of day
D. To regulate the distribution of solar energy within the power grid
C. To store the solar energy for distribution at any time of day