UNIT 69 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
69-1) What is the standard ceiling height in a residence?
69-2) Name the two most common problems with basements.
69-3) Name the reinforcement materials used in concrete slabs.
69-4) Why should refrigerant lines or condensate plumbing be installed in a chase or
conduit if they are to be under a poured concrete slab?
69-5) How is ductwork location affected by solid wood floor joists?
69-6) Why is plywood decking offset, as seen in Figure 69-20b?
69-7) Why do contractors often favor a trussed roof system?
69-8) Name four common types of insulation used in residential construction.
69-9) Using Table 69-1, what would be the insulation R-factor of 4 inches of medium
density fiberglass batt and blanket material?
69-10) What is the most common material used for interior walls of residences?
69-11) What material is sometimes used for studs in commercial buildings to comply
with local fire code?
69-12) Why is a roof curb?
69-13) What consequences can result from failing to contact the roofing company
before making a roof penetration on a bonded roof?
69-14) What is the space above the drop in ceiling in a commercial building used for
in the HVACR industry?
69-15) What must be included in any duct that passes through a firewall?
69-16) What is the purpose of a fire damper?
69-17) Why is the cost of owning a “green” building often less than the cost of
owning a conventionally constructed building?
69-18) What is the mission of the USGBC?
69-19) What does LEED certification mean?