Agriculture Technology Paper 2 2015 Questions and Answers Part 1
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Section A
Question 1
Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A – D) next to the question number (1.1. 1 – 1.1. 10) in the Answer Book, for example 1.1. 11 B.
1. The adhesive that will be best suited for repairing a water tank made of glass used for fish farming:
A Epoxy
B Silicon
C Resorcinol
D Latex
2. The factor that does NOT contribute to tractor roll-overs when carrying out tasks on the farm:
A Cornering at high speeds
B Carrying loads too high on the front-end loader
C Connecting an implement underneath the hitching point of a tractor
D Working in a steep ditch, on a hill or a washout
3. One of the following has no influence on the depth-control system of a tractor:
A Increased wheelbase of the tractor
B Ploughing depth
C Soil resistance
D Forward speed of the tractor
4. A synthetic material such as … is best known for its heat resistant properties.
A Perspex
B rubber
C Prestik
D Bakelite
5. The prescribed size for a warning sign on an electric fence is at least …
A 100 mm x 200 mm.
B 200 mm x 300 mm.
C 300 mm x 400 mm.
D 500 mm x 600 mm.
6. can Not be used as a pipe-welding position.
A Horizontal fixed position
B Vertical position
C Machine spot welding
D Horizontal movable position
7. The … is⟋are NOT part of the three-point mechanism of the tractor.
A lifting arms
B top link
C power take-off shaft
D stabilising chains
8. Faulty drum speed of the combine harvester causes …
A kernels to be blown out by the blower of the machine.
B kernels of different sizes to be collected in the collecting bin.
C V-belts to be thrown from their pulleys.
D kernels not being removed from the stalks.
9. To adjust the cross-angle of an implement in relation to the tractor՚s forward movement you will use a …
A levelling box.
B top link.
C depth-control mechanism.
D depth-control lever.
10. Bronze can easily be joined by …
A arc-welding.
B MIG-welding.
C soldering.
D TIG-welding.
Change the Underlined word (s) in each of the following statements to make the statements TRUE. Write only the answer next to the question number (1.2. 1 – 1.2. 5) in the Answer Book, for example 1.2. 6 Tractor.
1. Acetylene gas is used with CO2 in MIG-welding.
2. A (n) gas flame melts the metal when cutting with a plasma cutter.
3. The process where water is sent through different liquids that are separated by a permeable film which allows water to pass through on a molecular level is called forward osmosis.
4. Teflon protects the metal parts of the irrigation system against corrosion.
5. A GPS is a modern technological device that can be used to start or stop an irrigation system over long distances.
Choose a word⟋term from Column B that matches the description in Column A. Write only the letter (A – G) next to the question number (1.3. 1 – 1.3. 5) in the Answer Book, for example 1.3. 6 H.
Column A | Column B |
---|---|
Elements used in the manufacturing of brass components | single action |
The device used by crop farmers to measure soil water content | class A evaporation pan |
The instrument used to determine evapotranspiration in a specific field | channel drain |
Long, narrow concrete drains used to move large amounts of water | French drain |
A hydraulic cylinder installed in the steering mechanism of a back acter | neutron probe |
double action | |
copper and zinc |
(5 × 2) (10)
Total Section A: 40