Metal Works 2, WASSCE (SC), 2018

Question 4

 

(a)        State two methods of carrying out investigation in a design process.                        
(b)        With the aid of a sketch, show the process of swaging in forging.

(c)        State two qualities of a quenching medium.
(d)       List three driving tools.

Observation

 

Most of the candidates could not state two methods of carrying out investigation in design.  The required responses to these questions are as given below

Stating two methods of carrying out investigation in a design process

  • Visiting shops or exhibitions to view current products.
  • Using a questionnaire to discover further information.
  • Writing to or visiting an industry for more information.
  • Taking a similar existing product and examining it critically.
  • Discussing with other experts for opinion.

Showing the process of swaging

Stating two qualities of a quenching medium

  • High boiling point
  • Low viscosity
  • High specific heat capacity

Listing three driving tools

  • Hammer
  • Screw driver
  • Allen key
  • Mallet
  • Spanner