Mold Ins. Quiz 7

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  1. Buildings are expected to have a useful service life that's ( how long) ?
    Buildings are expected to have a useful service life that's 3 or 4 times the mortgage period.
  2. Over-sizing of the AC sytems can result in
    Over-sizing of the AC sytems can result in increased indoor humidity and occupant discomfort.
  3. Residential cooling systems should be sized based upon
    Residential cooling systems should be sized based upon a house specific load calculation using "Manual J" or a comparable analysis sizing tool.
  4. How have building materials changed?
    The construction material s have shifted to from substances that discourage Mold and or bacteria to  materials that invite problems.
  5. Air barrier methods vary by --
    Air barrier methods vary by climate.
  6. Sealing and tightening of the building envelope can create
    • Sealing and tightening of the building envelope can create 
    • -negative pressures 
    • -back drafting
    • - a need for mechanical ventilation
  7. in leaky older homes it is not unusual for air to be replaced (how often)?
    in leaky older homes it is not unusual for air to be replaced once every hour.
  8. Lumber products with proprietary mold inhibiting coatings help reduce the risk of mold formation (when)?
    Lumber products with proprietary mold inhibiting coatings help reduce the risk of mold formation before, during, and after construction.
  9. When inspecting leakage points pay special attention to:
    When inspecting leakage points pay special attention to cathedral ceilings.
  10. Whats up with cathedral roofs?
    Pay special attention to cathedral roofs, cathedral roofs can hide roof water leaks or condensation particularly if a vapor retarder like polyethylene sheeting is used on the side of the ceiling.
  11. Molds that grow on cellulose materials like wood, wall board and ceiling tiles can cause what kind of problems?
    Molds that grow on cellulose materials like wood, wall board and ceiling tiles can cause health and structural problems.
  12. How can air barrier systems be selected In climates with mixed conditions the most suitable
    In climates with mixed conditions the most suitable air barrier system can be selected based on and combined with other construction characteristics.
  13. Mold exposure is unavoidable in most buildings because___
    Mold exposure is unavoidable in most buildings because mold spores are naturally present in out door air and outdoor air routinely mixes with indoor air.
  14. Mold inspectors should be able to
    Mold inspectors should be able to find the source of water intrusion, whether it is from a previous or current problem and propose solutions. Leave remediation to professionals or seek that certification as well.
  15. Turning the system off ________ the likelihood of problems during or after major cleaning efforts.
    Turning the system off increases the likelihood of problems during or after major cleaning efforts.
  16. Where are horizontal HVAC systems usually found?
    Horizontal HVAC systems are usually found in attics or under houses.
  17. What considerations should take place when inspecting HVAC systems?
    • When inspecting HVAC systems considerations should include; 
    • -Service access to the unit and associated duct work
    • -The ambient temperature surrounding the unit. 
    • -Safety issues when working in confined spaces.
  18. how does non-porous duct work respond to remediation?
    Non- porous duct work responds well to remediation but contaminated porous materials should be removed and replaced.
  19. Are HVAC systems effective in filtering small airborne fragments of mold?
    HVAC systems ARE effective in filtering small airborne fragments of mold.
  20. Where are Down flow HVAC systems usually found?
    Down-flow HVAC systems are usually found in a garage or in a closet, with the duct work located in a crawlspace under the occupied space.
  21. How is air draw in vertically mounted up-flow systems?
    Air is drawn in through the bottom and discharged out the top in vertically mounted up-flow systems.
  22. Where are  vertically mounted up-flow systems usually located?
    • vertically mounted up-flow systems are usually located in a conditioned portion of a house hold
    • -basement
    • -closet
  23. Problems can arise when HVAC controls are;
    • Problems can arise when HVAC controls are; 
    • -poorly designed
    • -located outside the occupant space. 
    • -subject to drafts
    • -exposed to direct sunlight
  24. Why does The EPA warn, that an HVAC system with mold should not run?
    The EPA warns that an HVAC system with mold should not run in fear of spreading contamination throughout the building.
  25. If you suspect that mold is causing damage to the structural integrity of a building advise the owner to consult who?
    If you suspect that mold is causing damage to the structural integrity of a building advise the owner to consult a structural engineer or other professionals who posses relevant expertise.
  26. Do HVAC interiors offer opportunities for spore and microbial growth?
    HVAC interiors offer opportunities for spore and microbial growth.
  27. How are commercial and residential HVAC systems different?
    Commercial HVAC systems are larger and more complex to inspect and service than residential systems because they incorporate more variations and combinations of designs and components than residential systems.

Card Set Information

Author:
Josepbg
ID:
322184
Filename:
Mold Ins. Quiz 7
Updated:
2016-08-16 18:19:58
Tags:
mold inspector quiz quiz7
Folders:
work,mold
Description:
Quiz 7 - Mold Inspector Certification Exam
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