A septic tank system should always contain live ...
The pipe connecting the sanitary system of a house to a septic tank is manufactured from …
The function of ... in the septic tank system is to decompose all organic waste matter in the system.
The most important precautionary measure that should be taken when PVC pipes are laid is to ensure that the pipes ...
An advantage of closed drains is that ...
The aim of … is to help the farmer to save money because all farm implements and tractor spare parts should comply with certain requirements, such as being interchangeable and easy to handle.
... smoke will be seen at the exhaust outlet when a tractor uses too much oil.
Long-term credit can be used for ...
An example of working or floating capital expenses associated with a tractor is ...
Most farmers prefer to use V-belts because they ...
The function of grease in the moving joints of implements is to …
The three-point mechanism of the tractor was designed by …
The control valve of a tractor is activated by the …
The density of round bales can be increased or decreased by changing the …
The shielding gas that prevents the welding bead from coming into contact with oxygen during the MIG welding process is called ...
The standard size for bricks used for building purposes is ...
The function of a lintel is to give ... above window and door openings.
The reason for covering the power take-off (PTO) shaft situated between the tractor and implements is to ...
... substances must be locked away to protect workers from injury.
When the noise levels of an implement are very high you should wear … to protect your ears.
Briefly discuss EIGHT measures to prevent unwanted fires on a farm.
Explain the safety measures that should be kept in mind when using fire extinguishers.
Briefly describe FOUR measures to prevent power take-off accidents.
Adhesives can be used for various types of repair jobs on a farm. Name TWO important aspects that should be considered when an adhesive is chosen.
Name any TWO methods used to strengthen foundations and briefly describe each method.
Identify the most suitable bond (A or B) that can be used for the construction of a brick wall as shown in the sketch below.
Give a valid reason for the following statement:
Clear fibreglass roof plates are used on the roof of a greenhouse.
The wires of a fence must not be tensioned on a hot day.
Chromium
Manganese
Nickel
Name TWO renewable energy sources that can be used to manufacture biodiesel.
Name an alternative energy source that can be used to charge the battery effectively and explain the reasons for your answer.
Name any TWO uses of portable electric fences on a farm.
State TWO benefits of using portable electric fences on a farm.
List FOUR advantages of alternative energy sources.
Discuss TWO types of energy sources and also how they will support each other when used simultaneously.
Describe the procedure that should be followed when welding two pieces of metal with an oxy-acetylene welder using the rightward or backhand technique.
Make a neat sketch of a V-butt weld between two pieces of metal 10 mm thick and label the drawing.
Name and explain the THREE different methods (technique) of oxy-acetylene welding.
Discuss distortion or shrinking caused by the heat generated during the welding process.
State TWO ways to control distortion of welding runs.
Name TWO disadvantages of the inverter welding machine in comparison with the arc-welding machine.
Name THREE general welding tips that should be kept in mind when welding with the inverter welding machine.
Give the name of this type of welding machine.
Explain the concept MIG welding.
Name the THREE basic gases used in the MIG welding process.
Name THREE types of capital associated with a farm enterprise.
State FOUR problems that can occur when using a combine harvester.
Explain the term timing of the bale mechanism as found on the ram- type baler.
Name THREE tasks that should be performed during the maintenance of a baling machine.
Indicate the safety mechanisms that can be found on the ram-type baling machine.
Describe the mechanism that is used for connecting the implement to the tractor.
A power take-off (PTO) shaft is used as a drive shaft between the tractor and the implement. Name the device that enables the power take-off shaft to operate at different angles.
State THREE requirements that a safety screen must comply with to prevent injuries.
Identify the type of gear set shown in the illustration above.
Name ONE advantage of this type of gear set.
State the THREE types of gearboxes commonly used in tractors.
State FOUR factors that must be considered when buying a new hammer mill.
State THREE advantages of installing a hammer mill on a level surface.
Name FIVE safety measures that should be taken when working with a hammer mill.
Name THREE factors that must be considered when planning a water scheduling programme.
Explain the goal of irrigation scheduling.
Identify the TWO drainage systems most commonly used on farms.
Briefly describe the process of building a pole drain.
Discuss THREE disadvantages of closed drains.
Give the reason for placing the outlet pipe of the drainage field at the top level of the septic tank.
Name FIVE components of a waste-water system.
Name THREE factors that can kill micro-organisms in the septic tank system.
Ditches are dug at regular intervals to a suitable depth to remove free water from waterlogged soil
The bottom of the trench is loosely packed with large stones, covered with smaller stones and finally with soil
The waste-water management system that uses biological principles to break down the waste
The lateral drain runs into the main drain at an angle of about 45°
The opening of the drain should be covered with this