Agricultural Science
WAEC 1994
(a) ldentify specimens D, E, F, G, H, and I.
(b) State one function of each of specimens D, E, F G, H, and I
(c) Mention one method of maintaining each of specimens D, E, F, G, H, and I.
Explanation
(a) ldentification of specimens:
- D - Measuring tape,
- E - Budding knife,
- F - Gunter's chain,
- H - Spanner,
- I - Screw driver
(b) Functions of each of the specimens are:
- D is used in laking measurements of length, breadth and height.
- E is used mainly in budding (by vegetative propagation) in citrus, cocoa, rubber etc.
- F is used (i) for gripping firmly and twisting wires, (ii) for holding bolts and nuts,
- G is used in taking short or detailed measurement of length and breadth.
- H is used in loosening or tightening nuts/ bolts on farm machines
- I is used for turning or screwing nails or screws into or out of wooden or metal surfaces and to detect the presence of electric current.
(c) Methods of maintaining each of the specimens are:
- D - Clean after use,
- E - Sharpen cutting edge regularly,
- F - Oil or grease after use,
- G - Store in a cool and dry place,
- H - Oil or grease metal parts before storage
- I - use according to specification or for the intended purpose
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