Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
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
Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
Give a reason why the metal named in QUESTION 2.1.1 will be the most suitable f... show full transcript
Worked Solution & Example Answer:Which ONE of the metals above can be used to manufacture water pipes for farmhouses?
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 used to manufacture water pipes for farmhouses.
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 suitable for warm water pipes because it resists corrosion and rust, ensuring durability.
Step 3
Which joining method must be used to join two copper pipes permanently?
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Answer
The joining method used to permanently join two copper pipes is soldering.
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.
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 ideal for this application because it is resistant to air, water, and many chemicals, preventing contamination.
Step 6
Which joining method will be suitable for permanently joining stainless steel?
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Answer
The joining method suitable for permanently joining stainless steel is welding, specifically TIG welding.
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 the most economical metal for the manufacturing of a farm gate.
Step 8
Name a substance that can easily corrode copper.
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Answer
Acids such as ammonium or heavy metal salts, like sulfur, 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 storing purposes.
