NABCEP PV ASSOCIATE PRACTICE TEST
(JTA-A) For which type of PV system can dissimilar PV module types be used with little
or no system loss? - Answers - A system that uses ac PV modules that are coupled only
to the ac system
(JTA-A) Which of the following is not a factor when calculating the economic payback of
a PV system? - Answers - Installer's insurance premium
(JTA-A) Which type of battery requires ventilation in a stand-alone PV system? -
Answers - Flooded lead-acid battery
(JTA-SE) Which of the following is a common financing product for purchasing a
residential PV system? - Answers - Solar lease
(JTA-SE) For which of the following should a PV system owner expect maintenance
costs over the life of the system? - Answers - Inverter replacement
(JTA-D) What is the MAXIMUM number of modules allowed in a string with the following
module specifications and conditions?
Voc: 80.8
Vmp: 62.7
Temperature coefficient (Voc): -0.28%/° C
Maximum system voltage: 600V
Record cold temperature at the site: -10° C - Answers - 6
(JTA-D) Which is the BEST tool to use to verify the open-circuit voltage of a PV module?
- Answers - Multimeter
(JTA-D) Which process is used to increase the conductivity of semiconductors? -
Answers - Doping
(JTA-D) The sun passes over how many degrees of longitude each hour as it tracks
across the sky? - Answers - 15
(JTA-D) Using the data in this table, under which conditions will a PV module produce
the MOST power? - Answers - -17° C and irradiance of 1,000W/m2
(JTA-D) Which document submitted for permitting provides the open-circuit voltage,
short-circuit current, maximum power, and dimensions of the PV module? - Answers -
Module spec sheet
(JTA-D) Which of the following is continually monitored by an automatic transfer switch?
- Answers - Primary power source
