FREE ECRE Practical Application Questions and Answers

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An engineer is tasked with improving a building's energy efficiency. Which of the following changes will have the most immediate impact?

Correct! Wrong!

Sealing air leaks is often the quickest and most cost-effective way to immediately reduce energy loss in a building.

In a wind energy system, a technician notices a drop in output power during high wind speeds. What is the likely issue?

Correct! Wrong!

Wind turbines have mechanisms to limit power output at high wind speeds to prevent damage, leading to reduced output during such conditions

A company wants to reduce its electricity bill by installing solar panels. What is the first step in implementing this solution?

Correct! Wrong!

An energy usage audit identifies areas where electricity consumption is highest, helping to determine the appropriate solar panel size and configuration.

An industrial facility reduces its energy usage by replacing all halogen lights with LED lights. What metric should be calculated to determine energy savings?

Correct! Wrong!

Calculating energy consumption before and after the switch reveals the actual savings in energy use.

A renewable energy company wants to estimate the annual energy production of a solar farm. Which data is most critical for this calculation?

Correct! Wrong!

The amount of energy a solar farm produces depends on the average sunlight hours available, as this determines how much energy the panels can generate daily.