Ordinary level 2026 South West mock materials technology and workshop processes 1

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1. Which of these factors promote safety in the workshop?

• A. Staying healthy in mind and body

• B. Becoming well trained

• C. Having a good attitude toward Safety and safety rules

• D. Engaging in friendly games in the workshop

2. An obligatory individual protection when carrying out arc welding is

• A. Cleaning the workshop

• B. Wear gloves

• C. Wear goggles

• D. Do not operate an unfamiliar machine

3. The purpose of a regulator in oxy-gas welding equipment is to

• A. Lower the pressure

• B. Prevent a flash back

• C. Restrict the quantity of gas

• D. Control the temperature of the welding flame.

4. Which of the following is a dangerous light ray developed during arc welding?

• A. Ultra violet

• B. Gaseous

• C. Incandescent

• D. Strobe

5. Which of the following pairs is used to define density of a body?

• A. Mass and time

• B. Volume and time

• C. Speed and volume

• D. Volume and mass

6. State one raw material used in the production of copper

• A. Copper Carbonate

• B. Malachite

• C. Siderites

• D. Corporates

7. State one type of aluminium alloy

• A. Duralumin

• B. Cast aluminium alloy

• C. Bauxite

• D. Bronze

8. Identify the material that is fed in the blast furnace during the production of pure iron

• A. Cast iron, Pig iron and scrap

• B. Pig iron, slag and coke

• C. Pig iron, limestone and coke

• D. Magnetite, limestone and coke

9. Identify one additive material added to steel to improve its machinability

• A. Aluminium

• B. Lead

• C. Oxide

• D. Carbon

10. Lime stone is used as __________ during the production of pig iron

• A. Ore

• B. Fuel

• C. Flux

• D. Iron carbonate

11. When two or more metals are joint together to improve their properties, they are said to be.

• A. Annealed

• B. Forged

• C. Hardened

• D. Alloyed

12. The choice of materials for engineering purposes depends on the;

• A. Strength of the material

• B. Weight of the material

• C. Properties needed for meeting the functional requirements

• D. Availability of the materials

13. Which test measures hardness?

• A. Brinell Test

• B. Victor’s Test

• C. Rockwell Test

• D. All of the test.

14. The melting point of steel increases with

• A. Reduce carbon content

• B. Increase Carbon content

• C. Increase in temperature

• D. None of the above

15. Cutting tools are made of.

• A. Tungsten Carbide

• B. Chromium Carbide

• C. Nickel nitride

• D. None of these.

16. Which gases are used in gas welding process?

• A. Oxygen and hydrogen.

• B. Acetylene and Oxygen.

• C. Acetylene and electrolyte.

• D. Helium and oxygen.

17. In grinding wheels, which of the following abrasives are used?

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