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The picture below shows a plasma cutting machine - NSC Agricultural Technology - Question 4 - 2016 - Paper 1
Question 4
The picture below shows a plasma cutting machine. Answer the questions that follow. 4.1.1 Explain what will happen when water enters the torch of the plasma cutter ... show full transcript
Worked Solution & Example Answer:The picture below shows a plasma cutting machine - NSC Agricultural Technology - Question 4 - 2016 - Paper 1
Step 1
Explain what will happen when water enters the torch of the plasma cutter nozzle.
Answer
When water enters the torch of the plasma cutter nozzle, it can cause internal arcing or a short circuit within the torch. This arcing can lead to damage of the components inside the nozzle, likely resulting in malfunction or complete failure of the plasma cutting machine.
Step 2
Give TWO reasons for using the welding helmet when doing plasma cutting.
Answer
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The visor of the welding helmet blocks harmful ultraviolet rays, protecting the operator's eyes and face from injury.
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It shields the operator against sparks produced during the plasma cutting process, minimizing the risk of burns and injuries.
Step 3