Instructions to candidates
- You should the following for the exam
- Drawing instruments
- A3 drawing paper
- Answer all the questions
QUESTIONS
SECTION A (40MARKS)
-
- State four factors that determine the appearance of grains in timber (2mks)
- List four characteristic of trees that produce hardwoods (4mks)
-
- Name two tasks that can be performed using each of the following tools (4mks)
- Back saw
- Hand saw
- Using a labelled sketch, give the meaning of the term ‘’saw Kerf’’ (3mks)
- Name two tasks that can be performed using each of the following tools (4mks)
- Name four measuring tools that may be used in a workshop (2mks)
- Sketch and label the pictorial view of ta mortice gauge (4mks)
-
- Make sketches to show the following methods of matching veneers (6mks)
- Side to side pattern
- Slip match pattern
- ‘’v’’ match pattern
- Make sketches to show the following methods of matching veneers (6mks)
- State two safety precautions to be observed while using contact glue (2mks)
- Name four characteristics of polyvinyl glue (4mks)
- State three precautions to be observed to ensure there is no damage of a saw blade when in use (3mks)
- Outline four measures to be taken to ensure efficient planning when using a bench plane (4mks)
- Sketch an exploded pictorial view of an open corner bridle joint (3mks)
SECTION B (60MKS)
- Below is a sketch of polygon ABCDE Given that AB =45 BC=30 CD=35 DE=35 EA=30, angle EAB=90° and angle ABC=130° Draw the polygon and hence reduce it in the ratio 2:3 using A as the center of reduction 15 MKS
-
- Other than food, state and explain two favourable conditions for fungal growth in timber (4mks)
- Using sketches (labelled) show the difference between an auger bit and twist drill bit (6mks)
- Name five sources of business capital (5mks)
-
- With the aid of sketches describe the ripping and cross cutting operations on a piece of timber (8mks)
- State two advantages and two disadvantages of quarter sawing method of timber (4mks)
- List three precautions to be observed to prevent splitting the work piece when marking a hole using a chisel (3mks)
-
- List six items that should be in a first Aid Kit and state each its use (6mks)
- State five characteristics of timber that has been attacked by dry rot (5mks)
- The time taken for timber to season in open air seasoning depends on various reasons state four of these reasons (4mks)
-
- Describe the oven dry method of determining the percentage moisture content of a piece of timber (6mks)
- Outline the procedure of making a groove in a work piece using a plough plane (7mks)
- State two precautions to be observed when using a steel tape measure (2MKS)
MARKING SCHEME
-
- Type of tree
Method of conversion
Age of the tree
position of tree during growth - shed leaves
broad leaves
seeds deep inside the fruit
slow maturity
- Type of tree
-
-
- cutting joints
cross - cutting thin pieces - Ripping
cross cutting
- cutting joints
-
-
-
- steel tape measure
Join our whatsapp group for latest updates
Tap Here to Download for 50/-
Get on WhatsApp for 50/-
Download Wood Work Paper 1 Questions and Answers - KCSE Prediction Papers 2023.
Tap Here to Download for 50/-
Get on WhatsApp for 50/-
Why download?
- ✔ To read offline at any time.
- ✔ To Print at your convenience
- ✔ Share Easily with Friends / Students