Joining Methods & Cavity Walls is one of 9 topics in the Grade 11 Civil Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which adhesive is applied to both surfaces, allowed to become touch-dry, and then forms an immediate, very strong bond as soon as the surfaces are pressed together?
Contact glue
PVA wood glue
Epoxy
Mastic sealant
Answer: Contact glue — Contact glue (contact adhesive) is applied to both surfaces and allowed to become touch-dry, forming an immediate, strong bond on contact once the surfaces are pressed together.
Easy
2. Which adhesive is a two-part product (resin and hardener) that cures through a chemical reaction rather than by drying?
Epoxy
PVC adhesive
Silicone
PVA wood glue
Answer: Epoxy — Epoxy is a two-part adhesive that cures through a chemical reaction between the resin and hardener once mixed, producing an extremely strong, rigid bond.
Medium
3. Name the flexible, weather-resistant sealant mainly used to seal joints that must accommodate ongoing movement, such as around a bath or window frame.
Answer: silicone — Silicone is a flexible, weather-resistant sealant used to seal joints where ongoing movement must be accommodated without the seal cracking.
