2.1.1 Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
2.1.2 Give a reason why the metal named in QUESTION 2.1.1 will be the most suitable for this application - NSC Agricultural Technology - Question 2 - 2021 - Paper 1
Question 2
2.1.1 Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
2.1.2 Give a reason why the metal named in QUESTION 2.1.1 will be the mos... show full transcript
Worked Solution & Example Answer:2.1.1 Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
2.1.2 Give a reason why the metal named in QUESTION 2.1.1 will be the most suitable for this application - NSC Agricultural Technology - Question 2 - 2021 - Paper 1
Step 1
Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
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Answer
Copper is the metal that can be utilized for manufacturing water pipes for farmhouses due to its excellent thermal conductivity and corrosion resistance.
Step 2
Give a reason why the metal named in QUESTION 2.1.1 will be the most suitable for this application.
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Answer
Copper is the most suitable for this application because it is resistant to corrosion and rust, ensuring a longer lifespan for the pipes and maintaining the quality of water.
Step 3
Which joining method must be used to join two copper pipes permanently?
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Answer
The joining method that must be used for permanently joining two copper pipes is soldering, which involves the application of a filler metal to create a strong bond.
Step 4
Name the material that will be best to transport milk in a dairy system.
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Answer
The best material for transporting milk in a dairy system is stainless steel, as it is non-reactive and hygienic.
Step 5
Give a reason why the metal named in QUESTION 2.1.4 would be most suitable for this specific application.
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Answer
Stainless steel is suitable for this application because it is resistant to air, water, and various chemicals, ensuring that milk does not contaminate and remains safe for consumption.
Step 6
Which joining method will be suitable for permanently joining stainless steel?
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Answer
Welding or TIG welding is the suitable method for permanently joining stainless steel, creating a strong and durable joint.
Step 7
Name a metal that will be the most economical for the manufacturing of a farm gate.
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Answer
Mild steel is considered the most economical metal for manufacturing a farm gate due to its cost-effectiveness and strength.
Step 8
Name a substance that can easily corrode copper.
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Acids, such as sulfuric acid, are substances that can easily corrode copper.
Step 9
Name the metal that is commonly used in the food industry for storing purposes.
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Answer
Aluminum is commonly used in the food industry for storage purposes due to its lightweight and resistance to corrosion.
