UNIT 67 REVIEW QUESTIONS ANSWER KEY - UNIT 67 REVIEW...

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UNIT 67 REVIEW QUESTIONS ANSWER KEY 67-1) What is the standard ceiling height in a residence?
67-2) Name the two most common problems with basements.
67-3) Name the reinforcement materials used in concrete slabs.
67-4) Why should refrigerant lines or condensate plumbing be installed in a chase or conduit if they are to be under a poured concrete slab?
67-5) How is ductwork location affected by solid wood floor joists?
67-6) Why is plywood decking offset, as seen in Figure 67-20b?
67-7) Why do contractors often favor a trussed roof system?
67-8) Name four common types of insulation used in residential construction.
67-9) Using Table 67-1, what would be the insulation R-factor of 4 inches of medium density fiberglass batt and blanket material?
67-10) What is the most common material used for interior walls of residences?
67-11) What material is sometimes used for studs in commercial buildings to comply with local fire code?
67-12) Why is a roof curb?
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67-13) What consequences can result from failing to contact the roofing company before making a roof penetration on a bonded roof?
67-14) What is the space above the drop in ceiling in a commercial building used for in the HVACR industry?
67-15) What must be included in any duct that passes through a firewall?
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