Free Certified Energy Auditor Certification Trivia Questions and Answers

Question 1

The phrase "lumens per watt" refers to lighting efficiency.

Accepted Answer

True

Answer

False

Question 2

The full load rating of a chiller is 0.7 kW/ton. Given that this unit has a 200 ton rating, what is the full load kW?

Accepted Answer

140

Answer

75

Answer

286

Answer

500

Question 3

Ground source heat pumps may not achieve predicted levels of efficiency because of

Accepted Answer

Improperly installed ground loop

Answer

Soil contamination

Answer

Oversizing

Answer

Poor water treatment

Question 4

The minimal requirements are specified in ASHRAE standard 62-2010 for:

Accepted Answer

Acceptable indoor air quality levels

Answer

Motor efficiencies

Answer

HVAC equipment sizing

Answer

Chiller efficiencies

Question 5

There are 50 employees working in an office building, which is occupied 250 days a year. Each employee is thought to use an average of 1 gallon of hot water per day for hand washing. City water is 60°F while the required hot water temperature is 120°F. Determine the annual energy consumption for heating this water:

Accepted Answer

6.25 MMBtus

Answer

25 Mbtus

Answer

15.4 MMBtus

Answer

12.50 MMBTUs

Question 6

13 amps at 240 volts are required to run a three-phase induction motor. There is a 0.9 power factor. Identify the kW.

Accepted Answer

4.86

Answer

5.16

Answer

6.32

Answer

5.54

Question 7

Every year, a hospital uses 400,000 gallons of water for showers alone. The showers have 4.5 gpm, older-style showerheads. What is the annual water savings if they switch to new showerheads that adhere to the maximum flow rates permitted by the Energy Policy Act of 1992?

Accepted Answer

177,778 gallons per year

Answer

222,222 gallons per year

Answer

200,000 gallons per year

Answer

285,765 gallons per year