Question 2
(a) (i) Explain the term, annealing, as a heat treatment process.
(ii) State two properties of metals that make them suitable for use on auto bodies.
(b) (i) Sketch a gas cylinder.
(ii) Name three components of oxy-acetylene welding equipment.
(c) (i) What are nonferrous metals?
(ii) Give three examples of ferrous metals.
Observation
Most candidates attempted this question and they did that very satisfactorily.