Certified Energy Auditor Certification Renewable Energy Systems 3

Question 1

What is the Coefficient of Performance (COP) of a ground source heat pump (GSHP) heating system?

Accepted Answer

The ratio of heat output delivered to electrical energy consumed

Answer

The ratio of electrical energy input to heat output delivered

Answer

The ratio of cooling capacity to heating capacity of the system

Answer

The ratio of ground temperature to ambient air temperature at the site

Question 2

What is Levelized Cost of Energy (LCOE)?

Accepted Answer

Total lifecycle costs of an energy system divided by its total lifetime energy production

Answer

The current market price for electricity in a specific geographic region

Answer

The annual operating cost of a renewable energy system per installed kilowatt

Answer

The break-even electricity price needed to cover only the capital costs of a system

Question 3

Which ASHRAE standard provides guidelines specifically for energy audits of commercial buildings?

Accepted Answer

ASHRAE Standard 211

Answer

ASHRAE Standard 55

Answer

ASHRAE Standard 62.1

Answer

ASHRAE Standard 90.1

Question 4

When evaluating a small wind turbine for a facility, what is the generally accepted minimum average annual wind speed for a viable installation?

Accepted Answer

5 m/s (11.2 mph)

Answer

3 m/s (6.7 mph)

Answer

8 m/s (17.9 mph)

Answer

10 m/s (22.4 mph)

Question 5

How does high moisture content affect biomass fuel used in an energy system?

Accepted Answer

It reduces the effective heating value and lowers combustion efficiency

Answer

It increases the CO₂ emissions per unit of useful heat produced

Answer

It affects only ash content and fuel handling requirements

Answer

It increases the required feed rate in pellet boilers only

Question 6

What is the purpose of an interconnection agreement for a grid-tied renewable energy system?

Accepted Answer

To define the technical and safety requirements for connecting the system to the utility grid

Answer

To establish the purchase price the utility will pay for all excess generation

Answer

To allow the facility to operate independently from the grid during utility outages

Answer

To exempt the facility from demand charges during periods of peak renewable production

Question 7

Which federal incentive allows businesses to deduct a percentage of qualifying renewable energy system costs directly from their federal income tax liability?

Accepted Answer

Investment Tax Credit (ITC)

Answer

Production Tax Credit (PTC)

Answer

Modified Accelerated Cost Recovery System (MACRS)

Answer

Renewable Portfolio Standard (RPS)