State the purpose of an electrical insulator - Leaving Cert Engineering - Question d - 2012
Question d
State the purpose of an electrical insulator.
Give one typical application for the injection moulding process.
Name the mechanism shown and suggest one suitable ap... show full transcript
Worked Solution & Example Answer:State the purpose of an electrical insulator - Leaving Cert Engineering - Question d - 2012
Step 1
State the purpose of an electrical insulator.
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Answer
The primary purpose of an electrical insulator is to stop the flow of electrical current. This is crucial in electrical systems to prevent accidental short circuits and ensure safety by keeping conductive parts safely separated.
Step 2
Give one typical application for the injection moulding process.
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Answer
Injection moulding is typically used for the manufacture of plastic items, such as plastic buckets. This process allows for high-volume production of complex shapes and designs efficiently.
Step 3
Name the mechanism shown and suggest one suitable application for it.
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Answer
The mechanism shown is a rack and pinion. It is commonly used to raise or lower the table of a pillar drilling machine, providing precise control over the height adjustment.
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