VIRGINIA VA ALTERNATIVE ENERGY SYSTEM (AES) CONTRACTING EXAM 2026/2027 QUESTIONS AND DETAILED SOLUTIONS|JUST RELEASED!1PDF

VIRGINIA VA ALTERNATIVE ENERGY SYSTEM (AES)

CONTRACTING EXAM 2026/2027 QUESTIONS AND

DETAILED SOLUTIONS|JUST RELEASED!1PDF




Question 1: What is the primary function of a photovoltaic

cell in a solar energy system?




Option A: Convert sunlight into electricity

Option B: Store electrical energy

Option C: Regulate current flow

Option D: Step-up voltage - ANSWER-Correct Answer: A -

Convert sunlight into electricity

,Explanation: Photovoltaic cells convert sunlight directly

into electrical energy via the photovoltaic effect.

Question 84: What is the significance of a "warranty

period" for PV modules?




Option A: It indicates the module's maximum power output

Option B: It assures performance and replacement for a

set number of years Option C: It determines the module's

efficiency

Option D: It sets the installation cost - ANSWER-Correct

Answer: B - It assures performance and replacement for a

set number of years

,Explanation: A warranty period guarantees that the module

will perform to specified standards and provides recourse

if performance declines excessively




Question 85: Which measurement unit is used to express

the amount of sunlight a location receives?




Option A: Lux

Option B: Watts per square meter (W/m²)

Option C: Joules

Option D: Amperes - ANSWER-Correct Answer: B - Watts

per square meter (W/m²)

, Explanation: Solar irradiance is measured in watts per

square meter, which indicates the solar power received

per unit area.




Question 86: Which aspect of electrical theory is

fundamental when designing PV wiring circuits?




Option A: Electromagnetic induction

Option B: Ohm's Law

Option C: Capacitance theory

Option D: Quantum mechanics - ANSWER-Correct

Answer: B - Ohm's Law