During the maize harvesting season, a farmer notices that rain is an imminent hazard - NSC Agricultural Technology - Question 5 - 2022 - Paper 1
Question 5
During the maize harvesting season, a farmer notices that rain is an imminent hazard.
5.1.1 State TWO measures the farmer can take to ensure that the maize will be ... show full transcript
Worked Solution & Example Answer:During the maize harvesting season, a farmer notices that rain is an imminent hazard - NSC Agricultural Technology - Question 5 - 2022 - Paper 1
Step 1
State TWO measures the farmer can take to ensure that the maize will be harvested on time.
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Answer
Making use of contractors.
Working longer hours.
Step 2
Identify an alternative method, other than a combine harvester, that can be used for harvesting. Justify your answer.
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Answer
Hand harvesting is an alternative method. Justification: A tractor-drawn harvester can be used to harvest by hand while it rains, as it does not get stuck in wet soil like a combine harvester.
Step 3
Recommend THREE aspects to consider when buying a new baler.
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Answer
Price
Local maintenance services
Type of baler
Step 4
Which ONE of the bales in A or B would use less space during transportation?
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Answer
B
Step 5
Give ONE reason to justify your answer to QUESTION 5.3.1.
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More bales can be stacked on a truck; they occupy less space.
Step 6
From the bales (in A or B above), identify the bale that can be wrapped.
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Answer
B
Step 7
Give a reason why the baling process in B can be used until it starts raining.
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Answer
Water runs down the bale and can be stored outside.
Step 8
Name FIVE round baler safety measures that young, upcoming farmers should consider.
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Answer
Familiarize yourself with the operator's manual.
Ensure all safety screens are in place.
Be watchful when backing up as baler is bulky.
Avoid sharp turning.
Use the safety lock system for the baler.
Step 9
Identify the type of belt which would best fit on the pulley system above. Give ONE reason for your answer.
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V-belts because they do not easily slip off and are designed for turning around pulleys.
Step 10
Indicate how you can change the direction in which pulley A rotates.
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By twisting the belts or switching the motor to the other side.
Step 11
Identify gears A and B.
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A - Spur gear
B - Helical gear
Step 12
Calculate and determine the ratio of the gear connection in A using the following information.
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Answer
The ratio of the gear connection is calculated as follows:
16128=8:1
Step 13
Tabulate ONE advantage and ONE disadvantage of each gearing system.
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Answer
Gear
Advantage
Disadvantage
A
Easy to manufacture
Noisy
B
Less wear
More expensive to manufacture
Step 14
From the gears identified in QUESTION 5.5.1, choose the gear assembly which would improve speed.
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Answer
B
Step 15
Identify cylinders A and B.
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A - Double action cylinder
B - Single (action) cylinder
Step 16
Choose which ONE of the cylinders is most suitable on a front-end loader.
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Answer
A - Double action cylinder
Step 17
Briefly explain the reason for the answer to QUESTION 5.6.2.
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It enables the operator to set the control lever in a down and upward thrust position.
Step 18
Give TWO reasons to justify the use of transmission oil in a tractor hydraulic system.
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