Diagrams H and I illustrate tractor-coupled implements. Use them to answer questions (a) – (c)
(a) Identify the implements illustrated by diagrams H and I.
Specimen H; Specimen I;
(b) Name the parts labelled I -X.
(c) State one function of each or parts labelled I -IX.
Explanation
(a) ldentification:
- H - Disc plough.
- I - Mouldboard plough.
(b)
- Point of attachment to the tractor/coupling point.
- Beam/Frame.
- Scrapper
- Disc
- Furrow wheel/reer-wheel
- Leg/standard
- Coulier
- Share
- Mouldboard
- Standard/leg
(c) Functions of parts:
- Provides the point of attachment to the tractor.
- Holds the discs in position/used to increase depth of penetration.
- Removes soil that clings to the disc during operation.
- Makes horizontal and vertical cuts of the soil/cutting and inverting soil.
- Provides balancing effect for the plough/ enables the plough to jump over stones or stumps.
- Attaches the disc to the beam.
- Makes vertical cuts/furrows.
- Makes horizontal cuts.
- Turns the soil over/buries weeds.