Title: Unit 4-5 Test
Course: HAC 140 Weatherization > Section: HAC 140 Weatherization

Q: Which of the following are pollutants that can be confined in a dwelling:
- Moisture and mold
- Carbon monoxide
- Radon
- All of the above
A: All of the above

Q: When educating clients about IAQ problems, which of the following would not be a recommendation:
- Don’t use kitchen and bath exhaust fans
- Don’t hang wet clothes in the house
- Don’t overcool the house in the summer
- Don’t dry wood indoors
A: Don’t use kitchen and bath exhaust fans

Q: Which of the following are pollutants that can be confined in a dwelling:
- Unvented dryers
- Unvented space heaters
- Disconnected ventilation fans
- All of the above
A: All of the above

Q: Which of the following is not a strategy for controlling moisture:
- Install a ground vapor retarder
- Control moisture sources and remove susceptible materials
- Install vinyl roof tiles
- Consider converting to a conditioned crawl space
A: Install vinyl roof tiles

Q: Which of the following should be inspected on combustion appliances?
- Heat exchanger, dryer vents, vapor retarder
- Chimney, vent pipe, fuel leaks, and wiring.
- Ventilation fans, Flue temperature, and thermal output
- All of the above
A: Chimney, vent pipe, fuel leaks, and wiring.

Q: Zone pressure diagnostic results are used to determine the location and effectiveness of the air barrier.
- True
- False
A: True

Q: Zone pressure diagnostics do not work well in an excessively leaky building.
- True
- False
A: True

Q: Zone pressure diagnostics work well in windy conditions.
- True
- False
A: False

Q: Blower door testing locates and quantifies air leakage by using a calibrated fan to depressurize a house.
- True
- False
A: True

Q: The standard baseline for a blower door reading is a pressure of -45 pascals (Pa).
- True
- False
A: False

Q: 1 Pascal = the weight of one light bulb.
- True
- False
A: False

Q: Which of the following are pollutants that can be confined in a dwelling:
- True
- False
A: False

Q: When setting up a blower door, it is wise to keep the controls off the ground to avoid accidental damage.
- True
- False
A: True

Q: When setting up a blower door, you should close fireplace dampers.
- True
- False
A: True

Q: When running a blower door test, it is o.k. to have wood stoves in use during the test.
- True
- False
A: False

Q: A manometer compares fan pressure to the pressure inside the house.
- True
- False
A: True

Q: CFM_50 refers to the amount of air leakage measured while running the blower door.
- True
- False
A: True

Q: The blower door is a controlled driving force used to quantify air leakage.
- True
- False
A: True

Q: Blower door tests take up to an hour or more, depending on the complexity of the home.
- True
- False
A: True

Q: Zone pressure diagnostics help to prioritize air sealing activities.
- True
- False
A: True