WoodWork 2, WASSCE (SC), 2020

Question 3

 

SECTION A

 

 

  1. Explain the term pot life in relation to adhesives.
  2. State two factors to be considered when ordering screws.
  3. Define the term green timber.

 

Observation

 

 

Question 3 required the candidates to:

  1. Explain the term pot life in relation to adhesives.
  2. State two factors to be considered when ordering screws.
  3. Define the term green timber.

 

 

The expected response is:

 

(a)        Explanation of pot life
Is the length of time the glue remains usable after mixing

(b)        Factors to be considered when ordering screws
-  shape of the head
-  the length
-  the guage
-  type of finish (metal of make)
-  quantity
-  where to be used

 (c)        Definition of green timber
This is timber that has been freshly cut from the log. It is not seasoned and thus contains a lot of moisture.