1.1.1 Plasma cutting machines may be used to cut .. - NSC Agricultural Technology - Question 1 - 2017 - Paper 1
Question 1
1.1.1 Plasma cutting machines may be used to cut ... sheets.
A aluminium
B copper
C stainless steel
D brass
1.1.2 A gas mixture used to cut thick steel with... show full transcript
Worked Solution & Example Answer:1.1.1 Plasma cutting machines may be used to cut .. - NSC Agricultural Technology - Question 1 - 2017 - Paper 1
Step 1
Plasma cutting machines may be used to cut ... sheets.
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Answer
Plasma cutting machines are utilized primarily for cutting stainless steel sheets due to their ability to perform precise cuts and handle thicker materials effectively.
Step 2
A gas mixture used to cut thick steel with the plasma cutting machine, which is preferred because of its ability to produce high temperatures:
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The preferred gas mixture is Oxyacetylene, which is known for generating high temperatures that are essential for cutting through thick steel.
Step 3
ONE of the following metals may be arc-welded successfully:
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Answer
Mild steel is one of the metals that can be successfully arc-welded due to its favorable properties.
Step 4
The pipe-weld joining method used most commonly when manufacturing a farm gate is the ... roll position.
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Answer
The open butt joint is the pipe-weld joining method commonly used in the manufacturing of farm gates.
Step 5
The function of the gas shield around the welding bead when MIG welding:
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The gas shield serves to prevent oxidation during the welding process, ensuring a clean and strong weld.
