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.