WoodWork 2, WASSCE (SC), 2021

Question 3

 

SECTION A

Students were required to:

  1. List parts of a wood lathe.
  2. State steps involved in sharpening a chisel.
  3. List tools belonging to:
    1. sander;
    2. saws.

 

 

Observation

 

Candidates answered questions on the parts of the wood lathe averagely, while the response of candidates on steps on sharpening a chisel and list of tools belonging to sander and saws were not correctly answered

 

The expected response is:

Steps involved in sharpening a chisel
-           Support the oilstone firmly in a vice or against a stopper.
-           Apply oil to the oilstone.
-           Hold the chisel at a constant angle (250 – 300) to the oilstone.
-           Hone the chisel until a burr is formed.
-           Remove the burr that is formed at the back of the cutting edge.
-           Test for sharpness.
-           Clean the oilstone with a clean cloth.

 

Tools belonging to
Sanders:
-           Belt sander
-           Orbit sander
-           Disc sander
-           Drum sandsaws:
-           Power circular saw
-           Jig saw/sabre sino