SOLAR RSI EXAM QUESTIONS WITH
VERIFIED ANSWERS. A+ GRADE
2025/2026.
What is system availability when sizing a system? - ANS Percentage of time over a year the
system meets load requirements
When selecting a battery bank what determines its required capacity? - ANS The autonomy
period during the critical month.
What is the fine balance required when sizing a stand alone system? - ANS Supply vs
Demand
In critical design, the ratio of energy demand to insulation is found how often? - ANS Each
month
In a hybid system design what is the typical range of solar to engine generator ratios? -
ANS 90% PV 10% Generator
When selecting an inverter what load should the inverter be rated for? - ANS Slightly higher
than the largest AC load
What are the main limitations when sizing an interactive system? - ANS Space for the array
and customers budget
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, In system sizing what is the simplest type of PV system to size? - ANS Utility Interactive
When sizing a Bi Modal system which loads should you consider? - ANS Critical loads
The percentage of the time the load is operating is called - ANS Duty cycle
When PV modules are substituted for regular building materials this mounting is called? -
ANS Building integrated
Which building mounting systems are used most commonly? - ANS Direct, Rock and stand off
mounted
What is the advantage of self ballasting mounts? - ANS No roofing penetrations
What is the term for electro mechanical reaction between 2 metals corroding the weaker
metal. - ANS Galvanic Corrosion
Which tracking system gains the most solar irradiance regardless of cost? - ANS 2 Axis
What structural loads do we consider when designing a PV array? - ANS Gravity,
Environmental, and Mechanical loads
Why is it important to keep the array modules cool? - ANS Array will last longer and operate
more efficiently
The safest and most practical means to access equipment and wiring is called? -
ANS Accessibility
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
VERIFIED ANSWERS. A+ GRADE
2025/2026.
What is system availability when sizing a system? - ANS Percentage of time over a year the
system meets load requirements
When selecting a battery bank what determines its required capacity? - ANS The autonomy
period during the critical month.
What is the fine balance required when sizing a stand alone system? - ANS Supply vs
Demand
In critical design, the ratio of energy demand to insulation is found how often? - ANS Each
month
In a hybid system design what is the typical range of solar to engine generator ratios? -
ANS 90% PV 10% Generator
When selecting an inverter what load should the inverter be rated for? - ANS Slightly higher
than the largest AC load
What are the main limitations when sizing an interactive system? - ANS Space for the array
and customers budget
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, In system sizing what is the simplest type of PV system to size? - ANS Utility Interactive
When sizing a Bi Modal system which loads should you consider? - ANS Critical loads
The percentage of the time the load is operating is called - ANS Duty cycle
When PV modules are substituted for regular building materials this mounting is called? -
ANS Building integrated
Which building mounting systems are used most commonly? - ANS Direct, Rock and stand off
mounted
What is the advantage of self ballasting mounts? - ANS No roofing penetrations
What is the term for electro mechanical reaction between 2 metals corroding the weaker
metal. - ANS Galvanic Corrosion
Which tracking system gains the most solar irradiance regardless of cost? - ANS 2 Axis
What structural loads do we consider when designing a PV array? - ANS Gravity,
Environmental, and Mechanical loads
Why is it important to keep the array modules cool? - ANS Array will last longer and operate
more efficiently
The safest and most practical means to access equipment and wiring is called? -
ANS Accessibility
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
