PV practice Exam Questions With Guaranteed Pass Solutions.
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Course
Solar PV Engineering and Installation
Institution
Solar PV Engineering And Installation
Production and installation of PV system is growing - Answer True
Solar radiation is highly variable resource and signifcant differences exist among regions in the United States - Answer True
Most inverters can be installed either indoors or outdoors ,as long as they are kept dry and ha...
PV practice Exam Questions With
Guaranteed Pass Solutions.
Production and installation of PV system is growing - Answer True
Solar radiation is highly variable resource and signifcant differences exist among regions in the United
States - Answer True
Most inverters can be installed either indoors or outdoors ,as long as they are kept dry and have enough
space around them for air flow. - Answer True
The efficiency of a building envelope is how well it isolates the indoor environment from the outdoor
environment . - Answer True
One or more potential array locations must be identified during a site survey. - Answer True
Batteries in a PV system are charged by the loads and discharged by the array - Answer False
For most PV devices , a high operating temperature significantly increases voltage - Answer False
Self -discharge is the gradual reduction in the state of charge of a battery while at steady -state condition
- Answer True
Only flooded open -vent batteries need equalization - Answer True
Lead -acid batteries are the most common type of batteries used in PV systems - Answer True
Batteries are connected in series by connecting all of the positive terminals together and all the negative
terminals together - Answer False
, Multistage charge controllers with an absorption charge cycle will also include a float charge set point ,
which is a slightly lower voltage then the voltage regulation set point - Answer True
Applications with widely varying insulation or extreme temperature variations are generally not suitable
for self-regulating systems - Answer True
An inverter is a device that converts DC power to AC power - Answer True
Pulse -width modulation (PWM) is a method of simulating waveforms by switching series device ON and
OFF frequency and for variable lengths of time - Answer True
Low operating temperatures and high discharge rates increase battery capacity - Answer False
The number of series -connected modules in each array string is determined by dividing the rated array
current by the selected module's current output - Answer False
Arrays are most often installed on roofs - Answer True
Active cooling means are practical for cooling flat -plate modules - Answer False
The allowable withdrawal load is the force required to remove a screw from from a material by tensile
(pulling ) force only - Answer True
Ground foundations for rack mounts typically include concrete footers - Answer True
The most common type of interactive PV system is one that does not use energy storage - Answer True
At a minimum ,a PV permit application must include a detailed three -line electrical diagram - Answer
False
Significantly low specific gravity of individual battery cells indicates cell failure or shorts - Answer True
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