NABCEP PV Associate (PVA) — Practice Exam
O&M: test equipment: practice questions
Our NABCEP PV Associate bank has 9 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
What does a battery load tester check?
- The module's Voc
- The module's open-circuit voltage at Standard Test Conditions
- Whether a battery can deliver current while holding voltage under load
- The battery's color
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C. Whether a battery can deliver current while holding voltage under load — Battery capacity testing devices are listed.
Question 2
Which meter setting checks whether a fuse is good when the circuit is de-energized?
- AC voltage
- Continuity or resistance
- Temperature
- Frequency
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B. Continuity or resistance — A good fuse shows continuity (near zero ohms).
Question 3
What can a thermal (infrared) camera find on a PV array?
- The module's serial number and its insulation resistance values
- Hot cells, failed bypass diodes and overheating connections
- Wind speed
- The module's warranty date
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B. Hot cells, failed bypass diodes and overheating connections — Hot spots show as bright areas.