Electrical Conductors, Motors & Generators is one of 9 topics in the Grade 11 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. Which type of electrical cable is the standard choice for a permanent underground run to a remote borehole pump?
Armoured cable
Flexible cord
Flexible cable
Uninsulated bare wire
Answer: Armoured cable — Armoured cable, with its layer of metal armouring, provides strong mechanical protection against impact, crushing and rodent damage, making it the standard choice for permanent underground farm electrical runs.
Easy
2. What is a flexible cord typically used to connect?
A portable appliance to a wall socket
A permanent underground electrical run
A motor requiring heavy-duty mechanical protection
A distribution board to the grid supply
Answer: A portable appliance to a wall socket — A flexible cord is a lightweight, flexible conductor typically used to connect a portable appliance, such as a kettle or power tool, to a wall socket.
Medium
3. Name the material typically used as the outer protective layer wrapped around the insulated conductors of armoured cable.
Answer: steel — Armoured cable includes a layer of metal armouring, typically steel wire or steel tape wrap, around the inner insulated conductors.
