6.1 Name THREE types of metal that can be cut with a plasma cutter - NSC Mechanical Technology Welding and Metalwork - Question 6 - 2023 - Paper 1
Question 6
6.1 Name THREE types of metal that can be cut with a plasma cutter.
6.2 State THREE uses of a bench grinder.
6.3 FIGURE 6.3 below shows an arc welding set-up.
6.3... show full transcript
Worked Solution & Example Answer:6.1 Name THREE types of metal that can be cut with a plasma cutter - NSC Mechanical Technology Welding and Metalwork - Question 6 - 2023 - Paper 1
Step 1
6.1 Name THREE types of metal that can be cut with a plasma cutter.
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Answer
Carbon steel/Steel
Aluminum
Brass
Step 2
6.2 State THREE uses of a bench grinder.
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Answer
Polishing cutting tools and drill bits.
To remove rough edges.
Removing rust from metal.
Step 3
6.3.1 Label parts A–E.
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Answer
A - Arc welding machine / Power source / Inverter
B - Electrode / Welding rod
C - Electrode holder / Welding rod holder
D - Positive / negative cable / Electrode cable
E - Earth cable / negative cable / positive cable.
Step 4
6.3.2 State ONE advantage of MIG/MAGS welding over arc welding.
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Answer
MIG/MAGS welding quality is better, resulting in less distortion.
Step 5
6.4 Determine the drill size required to tap a M10 × 1.5 internal thread.
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