Construction Processes: Welding & Cutting is one of 9 topics in the Grade 12 Agricultural 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 does the flux coating on an arc welding electrode produce as it burns during welding?
A shielding gas and a protective slag layer
Only compressed oxygen gas
A permanent magnetic field
A layer of galvanised zinc
Answer: A shielding gas and a protective slag layer — The flux coating on an arc welding electrode burns to produce a shielding gas and a protective slag layer, preventing atmospheric contamination of the weld.
Easy
2. What does MIG stand for in MIG welding?
Metal Inert Gas
Manual Ignition Gauge
Molten Iron Grinding
Mechanical Impact Gun
Answer: Metal Inert Gas — MIG stands for Metal Inert Gas, a welding process using a continuously fed wire electrode and a shielding gas.
Medium
3. Name the common informal term for Manual Metal Arc welding, referring to the consumable welding rod used.
Answer: stick welding — Manual Metal Arc (MMA) welding is commonly called "stick" welding, referring to the consumable, flux-coated welding rod (electrode) used.
