gce 2021 intermediate level mechanical technology 2
gce 2021 intermediate level mechanical technology 2
FIGURE 1: mechanical organs of an engine
- List all the numbered components of figure 1. (0.25X8=4 marks)
- Give the name of the type of valve layout on figure 1 and explain its operating principles. (5+2=2.5 marks)
- Low engine power output can occur due to lost of compression, list all the components of this diagram that can cause lost of compression. (5X2=1 mark)
- Motion is always transmitted from part 1 to part 8 by using part 2. Explain why the pulley of part 1 is always smaller than the pulley of part 8. (1 mark)
- Explain how the forces generated during combustion are transmitted to the flywheel. (1.5 mark)