Title: Unit 13 Test-Unit 9
Course: HAC 140 Weatherization > Section: HAC 140 Weatherization

Q: Which of the following would not be considered a common characteristic of a mobile home?
- Wooden frame bolted to a steel chassis
- Deep roof cavities
- Sealed combustion heating systems
- Single framing for door and window openings
A: Deep roof cavities

Q: Which of the following is not a common component of a mobile home?
- Band joist
- Bowstring trusses
- Ceiling joist cavity
- Thermal mass
A: Thermal mass

Q: Which of the following is a post-1976 HUD Code upgrade?
- Less than R-6 insulation
- 2x3 stud walls
- Jalousie windows
- Vapor barriers in ceiling
A: Vapor barriers in ceiling

Q: Which of the following is not a benefit of re-insulating the mobile home belly?
- Rim joists will be tighter
- Increased thermal performance
- 25-50% air leakage reduction
- Enhanced occupant comfort
A: Rim joists will be tighter

Q: When cleaning and tuning oil burners, it is not necessary to:
- Replace the fuel filter
- Replace the fan
- Replace the fuel nozzle
- Adjust the fuel and air ratio
A: Replace the fan

Q: Mobile homes account for 50% of new home sales nationwide.
- True
- False
A: False

Q: Mobile home manufacturing processes haven’t changed much over the years.
- True
- False
A: True

Q: Mobile homes built before 1976 consume 1.5 to 2 times more energy than a site-built home.
- True
- False
A: True

Q: Mobile homes built before 1976 were required to have data plates and certification labels.
- True
- False
A: False

Q: Ducts are located within the belly cavity and are therefore outside the thermal boundary.
- True
- False
A: True

Q: Duct sealing is often simple work that requires little attention to detail.
- True
- False
A: False

Q: Duct sealing is not considered a very cost effective measure.
- True
- False
A: False

Q: Heating system retrofits are not very difficult and can be attempted by homeowners.
- True
- False
A: False

Q: Re-insulating roof cavities is typically cost effective.
- True
- False
A: True

Q: Adding mechanical ventilation is considered a cost effective repair.
- True
- False
A: False

Q: Combustion analyzers should be able to read and calculate for flue gas temperature.
- True
- False
A: True

Q: A draft gauge is used to test chimney draft.
- True
- False
A: True

Q: Furnace blowers work less efficiently if dirt accumulates on the fins.
- True
- False
A: True

Q: Mobile home heating systems are the same as the ones used in site-built homes.
- True
- False
A: False

Q: Jalousie windows are a form of awning window that swing inward.
- True
- False
A: False