cameroon gce intermediate level 2025 material technology and workshop processes 1
cameroon gce intermediate level 2025 material technology and workshop processes 1
Based on the images provided, here is the extracted data.
Image 1: Multiple-Choice Questions
- The furnace that is used for the transformation of iron ore, coke and limestone into finished iron is called theA. copula furnace.B. basic oxygen furnace.
C. open hearth furnace.
D. blast furnace.
- A grade of iron that is used for the manufacturing of brake drums, brake discs, cylinder blocks, flywheels and exhaust manifolds isA. pig iron.B. cast iron.
C. steel iron.
D. cast steel.
- The angle shown in figure 1 below between the drill bit’s lip and the horizontal is called theA. rake angle.B. clearance angle.
C. drill bit’s cone point angle.
D. lip angle.
- The hand forging operation shown in figure 2 below is calledA. drawing out.B. fullering.
C. upsetting.
D. flattening.
- The crystalline structure of a metal refers to howA. the metal lattice structure is in its liquid state.B. atoms migrate within it.
C. crystals look like when heated.
D. atoms are located as the metal solidifies its molten or liquid state to the solid state.
- The carbon content in low carbon or mild steel is fromA. 0.8 to 1.5%.B. 0.15 to 0.45%.
C. 0.45 to 0.8%.
D. 0.15 to 0.20%.
- The type of cutting tool shown in figure 3 below is aA. file.B. screw.
C. reamer.
D. tap.
- An ideal polymer that is used for the production of vehicle tyres is a/anA. thermoplastic.B. thermosetting.
C. elastomer.
D. polyamides.
- Gas cutting of iron and steel using the oxyacetylene welding equipment as shown in figure 4 below requires the use of aA. natural flame.B. carburizing flame.
C. natural and a carburizing flame.
D. pure oxygen rich flame.
