Energy Auditor Final Exam

What two building components dominate all solar gains and usually constitute over 90% of total solar gain

What is thermal bridging?

In the formula, Q=U x A x Delta-T, what are the measurement units of Q?

What is the area -weighted average U-factor of an attic with 80% of the area insulated to R 40 and the other 20% to R 4

Which of these processes transfers heat from molecule to molecule in a solid substance?

What term describes how the solar radiation and infrared radiation interacts with glass in a building?

What is the heat released or absorbed during a phase change?

In what direction will air always move without a fan?

What determines the airflow rate through an opening between two zones?

What is measured in pascals?

What is the “stack effect”?

Which of these units measures electrical energy?

What two electrical quantities, multiplied together, produce watts?

If a power saw draws 3 amps at 120 volts, how many watts is the saw using?

What are the three main factors affecting winter heating energy consumption?

What is the most important factor in determining summer cooling costs?

Which of these is NOT a important way for people to lose metabolic heat?

Which of the following defines dew point most accurately?

What is the area of a circle that has a diameter of 10 inches?

What is the volume of a room that is 12 feet wide, 24 feet long, and 8 feet high?

What is the outside surface area of a duct that is 6 inches in diameter and 10 feet long?

What result does this expression yield?: Q = U x A x HDD x 24

What are the measurement units of “q” when you solve this equation?: q = U x A x delta T

What is the hypotenuse of a right triangle which has a base of 8 feet and a height of 6 feet?

How many therms of gas would you expect a family of four to use annually to heat water, using a gas storage water heater?

What accounts for the greatest share of washing-machine and dishwasher energy consumption in most residences?

What term describes heating and cooling energy?

What duct test gives the most useful prediction of savings opportunity from duct sealing?

Which of these appliances typically uses the most energy annually?

To what digital-manometer port is the fan of the duct blower connected?

What benefit does the pressure pan testing give you that the duct tester doesn’t?

What would you conclude if the total leakage was 350 cfm25, and the leakage to outdoors was 60 cfm25?

With the air handler operating, where would you find the highest positive pressure in the duct system?

Which of the following is true about duct insulation?

Why do supply duct leaks usually waste more energy than return duct leaks?

How could duct leakage still waste energy if the duct system is completely inside the building envelope?

What location is Channel A’s reference port connected to for a depressurization test?

Which of the following modes requires the user to enter the volume of the building?

Which of the following terms describes changing the size of the blower door’s orifice?

Which manometer function allows us to control the units of measurement displayed on Channel B?

A building has a blower-door measured ACH50 of 18. How would you describe this building?

If you blower-door test a 2400 square-foot house and measure 300 CFM50, what would you conclude?

Which of these is the most relevant factor when sealing around chimneys?

How are 90+% gas furnaces and boilers different from appliances with 80% efficiency?

Which of these tests is the most direct verification that backdrafting is or isn’t happening?

What is the most serious safety problem caused by an wide-open return plenum on an atmospherically vented furnace?

What is the most important thing to verify during worst-case combustion appliance zone (CAZ) testing?

What is the cooling coil in an air conditioner called?

What part of an air-conditioning system expels heat to outdoors?

What two building components should lie adjacent to each other at the thermal boundary of a building?

What is the total U-factor of R19 fiberglass batts installed over a layer of R11 fiberglass batts?

If an insulation installer tells you that he is “dense-packing” wall cavities, what would you expect the density of the cellulose in those walls to be?

What is the least expensive type of foam board?

Which type of foam board has the lowest water absorption?

What type of foam do air sealers use to fill gaps around windows?

What is the most important window characteristic for hot climates?

What is the most dangerous of all the gases found in combustion byproducts?

Which of these air pollutants is most likely to be related to an asthma attack?

How do you determine if a ventilation fan is delivering the correct amount of air flow?

Which of the following is true about crawl-space ventilation in an air-conditioned home?

Why does a tankless water heater use less energy than a standard tank style?

What is the most important consideration when adding an external blanket to a gas water heater?

What is the recommended domestic hot water temperature at the fixture?

A 350 watt fan lamp for 13 hours. How many kilowatt-hours has the fan consumed?

What range of refrigeration temperatures is appropriate for both food preservation and energy efficiency?

What range of freezer temperatures is appropriate for both food preservation and energy efficiency?