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

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1. The strength of iron increases dramatically as its

• A. melting point is increased

• B. ductility is increased

• C. carbon content is increased

• D. carbon content is decreased

2. The temperature at which a material changes from a liquid to a solid state is called its.

• A. freezing point

• B. melting point

• C. fusing point

• D. transition point

3. 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

4. To protect eyes, you have to wear

• A. safety shoe

• B. overall

• C. safety glasses

• D. helmet

5. Engine piston dudgeon pins while in operation are subjected to

• A. tensile stresses

• B. compressive stresses

• C. shear stresses

• D. shear strains

6. In the process of refining pig iron to obtain steel, the element that determines the grade of the steel being produced is its

• A. iron content

• B. silicone content

• C. manganese and phosphorus contents

• D. carbon content

7. The process of decreasing the cross section of a bar and increasing its length is called

• A. drawn down

• B. Peening

• C. upsetting

• D. spining

8. Neutralising the acidic nature of the material is known as

• A. chemical composition

• B. chemical composition

• C. chemical equilibrium

• D. corrosion resistance

9. The ability of a metal to resist being fractured by opposing forces not acting on a straight line is called its

• A. shear strength

• B. tensile strength

• C. compressive strength

• D. hardness strength

10. Some typical examples of automobile parts that are produced from composite materials are

• A. camshaft, flywheel, engine hoods, leaf springs, floors, roofs and side bars

• B. drive belts, timing chains, drive shafts, seats, floors, roofs and side bars

• C. engine hoods, bumpers, drive shafts, leaf springs, floors, roofs, unibody and monocoque structure

• D. seat belts, engine hoods, flywheels, springs, floors, batteries, drive axles

11. Pig iron is the name given to the

• A. Iron scrub

• B. Product of blast furnace made by reduction of iron ore

• C. Iron containing huge quantities of carbon

• D. Iron in molten form in the ladies

12. PPE stands for

• A. People Preparing for Examination

• B. Personal prevention Exercises

• C. Personal Protective Equipment

• D. Personal Part time Exercise

13. Normalizing is a heat treatment process whose objectives are to

• A. harden the steel and reduce its tensile strength

• B. increase the toughness and ductility of the steel

• C. soften the steel, refine grain structure, improve on its machinability after forging or rolling

• D. refine grain size and render it harder

14. Cutting fluids are used while drilling to

• A. lubricate the work

• B. improve the cutting action and prevent over heating of the twist drill

• C. help in taking metal ships of the work

• D. prevent the drill from being stuck in the work

15. Which of the following elements does not impact hardness to steel?

• A. Chromium

• B. Nickel

• C. Copper

• D. silicon

16. Manganese in steel increases its

• A. tensile strength

• B. hardness

• C. ductility

• D. malleability

17. Cutting of a flat sheet to the desired shape is called

• A. shearing

• B. piercing

• C. punching

• D. blanking

18. A hacksaw blade cuts on the

• A. forward stroke

• B. return stroke

• C. both the forward and return strokes

• D. direction of force

19. Forming chambers around the edges of drilled holes in order to accommodate the conical heads of countersunk head screw is

• A. countersinking

• B. counter boring

• C. boring

• D. reaming