NABCEP exam Questions with Correct Answers
When a bypass diode kicks in from a leaf on a solar cell which
parameter would you see reduced on a single string with level MPPT
Correct Answer-Voltage
What is blocking used for Correct Answer-Attaching to a roof in place
where there is no rafter
Who makes requirements for electrical safety for employees Correct
Answer-OSHA
When PV modules are tested by CSA to the UL 1703 they are tested
among other things for Correct Answer-Fire safety
If and inverter indicates that there has been a ground fault, what is the
first thing that a o&m technician should do? Correct Answer-Open all
disconnects
If doing an energy audit which device is the best to replace to conserve
energy Correct Answer-New resistance heater
When handling PV modules on a roof in sunlight what is the most
common method of safety of the following? Correct Answer-Make sure
all connectors are open
, Part of the process of turning silicon into solar cells is called Correct
Answer-Doping
What is the largest array size of the following if you have a 24v battery
bank and a 20A charge controller? Correct Answer-280W
Which is the best solution of the following for multiple orientations
when designing a PV system? Correct Answer-Micro-inverter
If you want to use modules that are dissimilar and in multiple
orientations what is the best type of system to use? Correct Answer-Dc
to dc converter (power optimizer system)
Which tilt angle from horizontal would get the best annual production
from a Toronto location at 43 degrees north? Correct Answer-42 degrees
A multimodal inverter that has an internal automatic transfer switch
would have to monitor what in order to transfer backup power? Correct
Answer-Equalization charge
Is there a difference between solar noon and noon as most people know
it? Correct Answer-Solar noon is not dependent on time zones
What kind of PV system is used so that people have power if the utility
ceases to exist but can still work with the utility Correct Answer-
Multimodel
When a bypass diode kicks in from a leaf on a solar cell which
parameter would you see reduced on a single string with level MPPT
Correct Answer-Voltage
What is blocking used for Correct Answer-Attaching to a roof in place
where there is no rafter
Who makes requirements for electrical safety for employees Correct
Answer-OSHA
When PV modules are tested by CSA to the UL 1703 they are tested
among other things for Correct Answer-Fire safety
If and inverter indicates that there has been a ground fault, what is the
first thing that a o&m technician should do? Correct Answer-Open all
disconnects
If doing an energy audit which device is the best to replace to conserve
energy Correct Answer-New resistance heater
When handling PV modules on a roof in sunlight what is the most
common method of safety of the following? Correct Answer-Make sure
all connectors are open
, Part of the process of turning silicon into solar cells is called Correct
Answer-Doping
What is the largest array size of the following if you have a 24v battery
bank and a 20A charge controller? Correct Answer-280W
Which is the best solution of the following for multiple orientations
when designing a PV system? Correct Answer-Micro-inverter
If you want to use modules that are dissimilar and in multiple
orientations what is the best type of system to use? Correct Answer-Dc
to dc converter (power optimizer system)
Which tilt angle from horizontal would get the best annual production
from a Toronto location at 43 degrees north? Correct Answer-42 degrees
A multimodal inverter that has an internal automatic transfer switch
would have to monitor what in order to transfer backup power? Correct
Answer-Equalization charge
Is there a difference between solar noon and noon as most people know
it? Correct Answer-Solar noon is not dependent on time zones
What kind of PV system is used so that people have power if the utility
ceases to exist but can still work with the utility Correct Answer-
Multimodel
