Joining Methods & Brickwork is one of 9 topics in the Grade 12 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. What is a rawl bolt (expansion bolt) primarily used for?
Anchoring something securely into solid masonry, concrete or brick for heavy-duty structural fixings
Joining two pieces of timber with no masonry involved
Fixing electrical wiring to a wall
Sealing joints in silicone cladding
Answer: Anchoring something securely into solid masonry, concrete or brick for heavy-duty structural fixings — A rawl (expansion) bolt anchors heavy-duty fixings, such as a steel beam base plate, securely into solid masonry or concrete.
Easy
2. A plastic plug is typically used with which type of fastener, driven in afterward to expand it?
An ordinary wood screw
A rawl bolt
A holding-down bolt
A truss clip
Answer: An ordinary wood screw — A plastic plug is inserted into a pre-drilled hole and expands as an ordinary wood screw is driven into it, suitable for lighter fixings.
Medium
3. Name the mechanism by which a rawl bolt grips the sides of a pre-drilled hole as it is tightened.
Answer: expansion — A rawl bolt works by mechanically expanding a sleeve against the sides of the pre-drilled hole as it is tightened, creating a strong grip.