Question 3
SECTION A
- Explain the term pot life in relation to adhesives.
- State two factors to be considered when ordering screws.
- Define the term green timber.
Observation
Question 3 required the candidates to:
- Explain the term pot life in relation to adhesives.
- State two factors to be considered when ordering screws.
- 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.