NABCEP Solar PV System Design

Question 1

What is the primary purpose of a solar PV system design?

Accepted Answer

Meet energy requirements and standards

Answer

Increase roof temperature

Answer

Enhance building aesthetics

Answer

Store rainwater

Question 2

Which factor is most important when determining panel placement?

Accepted Answer

Solar orientation and shading

Answer

Roof color

Answer

Tree location

Answer

Nearby buildings

Question 3

What unit is used to measure solar panel output?

Accepted Answer

Kilowatts

Answer

Joules

Answer

Amperes

Answer

Celsius

Question 4

What tool is used to analyze a site’s solar potential?

Accepted Answer

Solar pathfinder

Answer

Ladder

Answer

Ruler

Answer

Ohmmeter

Question 5

Why is tilt angle important in PV design?

Accepted Answer

To maximize energy capture

Answer

For aesthetics

Answer

To match roof slope

Answer

To support wind resistance

Question 6

What type of inverter is used for centralized systems?

Accepted Answer

Transformer

Answer

Microinverter

Answer

String inverter

Answer

Switch

Question 7

Which document outlines the components of a PV system?

Accepted Answer

Electrical diagram

Answer

Wiring code

Answer

Site inspection form

Answer

Warranty

Question 8

What is the standard test condition for rating PV modules?

Accepted Answer

Standard Test Conditions (STC)

Answer

Indoor lighting

Answer

Cloudy weather

Answer

Real-time data

Question 9

How does shading affect PV system performance?

Accepted Answer

Reduces output

Answer

Improves it

Answer

No effect

Answer

Increases voltage