C9 Drywall Update EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) Where are you most likely to use mesh tape? - Correct Answers ✅in areas of high moisture On metal framing, which direction do the Flanges face? - Correct Answers ✅parallel to the wall What is the primary advantage of using a laminated wall system? - Correct Answers ✅reduced sound transmission What is used for a typical residential 1 hour firewall? - Correct Answers ✅one layer of 5/8" drywall When installing interior wallboard, what nail procedure is most critical? - Correct Answers ✅using galvanized nails
For the 2nd coat of joint compound, use: - Correct Answers
✅12" box When cutting out for electrical boxes, where should you place the router? - Correct Answers ✅start in the middle, cut around the outside of the box When should you apply primer? - Correct Answers ✅after sanding is complete 1 / 2
C9 Drywall Update EXAM QUESTIONS AND ANSWERS 100% SOLVED (Newest 2025) When using screws to put up double ply wallboard, what is the maximum distance between screws for the base ply? - Correct Answers ✅24" What level of taping has the highest quality of finish? - Correct Answers ✅level 5 What is a hawk used for? - Correct Answers ✅to hold joint compound How should gas cylinders be stored? - Correct Answers ✅valve end up What grit sandpaper is most common to use to smooth a wall? - Correct Answers ✅150 Grit
When using ready mixed joint compound, you should: -
Correct Answers ✅add enough water for application What should you do if the plans call for wallboard to be installed by nailing over an existing plaster wall? - Correct Answers ✅install with nails as called for in the plan
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