WoodWork 2, WASSCE (SC), 2017

Question 3

 

(a) (i)   Sketch the cross-section of a log.

(ii)        Label the following parts of the log sketched in question 4(a)(i):

(i)sapwood;

(ii)medullary rays.

 

(b)        Name two types of metals used in Woodwork.

(c)        List the two operations required for keeping the cutting edge of a tool keen.

Observation

 

Most of the candidates attempted this question and their performance was fairly okay.  However some of them could not draw and label the cross section of a tree property.

The solution is shown below:

3a(i)     The Cross –section of a log

 

(b)        Types of Metal used in Woodwork

-           Cast iron
-           Steel
-           Copper
-           Brass
-           Aluminum
-           Alloys                                                                         

(c)        Methods of Producing Veneer

-           Rotary cutting or peeling
-           Slicing
-           Half rotary cutting