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NECO Essay Questions on Wood Work,
Question l
(1)(a) Arrange the following mass production activities in their sequential order of occurrence:
•(i) trial assembly;
•(ii) procurement of materials;
•(iii) preparation of working drawings;
•(iv) final assembly;
•(v) preparation of materials;
•(vi) setting out and cutting of joints.
(b) List two types of widening joint.
(c) List two sources of funds open to a wood working sole proprietor.
Observation
Candidates were expected to do the following:
(1) arrange the listed activities in their sequential order of occurrence;
(2) list two widening joints;
(3) list two sources of funds open to a woodworking sole proprietor.
The solution is shown below:
(a)Mass production activities in sequential order:
•(i) preparation of working drawings;
•(ii) procurement of materials;
•(iii) preparation of materials:
•(iv) setting out and cutting of joints;
•(v) trial assembly;
•(vi) final assembly.
(b)Types of widening joint:
•(i) dowel joint;
•(ii) tongued and grooved joint (tongue and groove joint);
•(iii) loose tongue and groove joint (feather joint);
•(iv) slot screw joint;
•(v) rebated joint;
•(vi) rubbed glued joint (plain butt joint);
•(vii) biscuit joint.
(c) Sources of funds open to a woodworking sole proprietor:
•(i) personal savings;
•(ii) sale of shares;
•(iii) loans from friends;
•(iv) assistance from family members;
•(v) loan from cooperatives;
•(vi) thrift contributions (Esusu);
•(vii) bank loans;
•(viii) inheritance;
•(ix) grants-in-aid from government/donor agencies;
•(x) sale of personal property.
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Question 2
(2)(a) State two clothing habits that can cause accidents in a wood workshop.
(b)Describe how the teeth of a panel saw are set.
(c)List two wood lathe cutting tools.
Observation
Candidates were expected to:
(1) state two clothing habits that can cause accidents in a woodwork shop;
(2) describe how the teeth of a panel saw are set;
(3) list two wood lathe cutting tools.
The solution is as follow s:
(a) Clothing habits that can cause an accident in a wood workshop:
•(i) wearing loose/oversize outer clothing;
•(ii) wearing loose apron/overall;
•(iii) wearing long sleeve shirt;
•(iv) wearing long hair;
•(v) wearing jewelry (wrist watch, necklace, ring);
•(vi) wearing flying tie;
•(vii) wearing non protective foot wear;
•(viii) wearing sagging trousers:
•(ix) wearing unlaced foot wear;
•(x) wearing inappropriate workshop clothing
(b) How to set a panel saw teeth:
(A) By hand:
- mount the saw in a saw vice/bench vice;
- mark the starting tooth on one end of the saw;
- starting from the marked tooth, use a saw set to bend about 14 the top of each alternate tooth toward self;
- turn the saw around and bend the remaining teeth the same way.
OR
(B) Using machine:
- fix the saw on the machine vice;
- mark the starting tooth;
- set the machine to the amount of set required;
- start the machine and adjust to start setting from the marked tooth to the end of the saw;
- stop the machine and turn the saw around;
- start the machine to set alternate teeth;
- stop machine and remove the saw.
(c) Wood lathe cutting tools:
Parting chisel, skew chisel, round nose chisel, square chisel, spear point chisel, roughing-out gouge, spindle gouge, bowel gouge, square scraper, flat or facing chisel, flat scraper, diamond scraper, spear point scraper.
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