Ordinary level 2024 South West mock material technology 2
Ordinary level 2024 South West mock material technology 2
SECTION A: TECHNOLOGY AND PROCESSES
Answer any THREE questions from this section
I ) Alloying of nictnls
a) Define an nlloy and give FOUR reasons for alloying mclnls
h) Explain whin you accomplish by adding flic following alloying elements to steel:
I. Chromium
II. Vanadium
III. Tungsten
IV. (iv) Molybdenum
c) Give the applicationof each of these nlloyingelements in vehicle parts.
(2+2=* 4marks)
(I+1+1+I=4mnrks)
(2marks)
2. Welding
a) Name FOUR safety measures to be Inken into consideration when welding (2 marks)
b) In electric arc welding, what arc electrodes made of? 0 ,narÿ)
c) What is the used of an iron brush in n welding process? 0 mark)
d) With reference to figure 3 below, name the parts; 1,2, 3, 4, 5, 6 and give their function in table
form (6 marks)
