Describe three hazards associated with the use of manual metal arc welding in a school engineering room. - Leaving Cert Engineering - Question (i) - 2013
Question (i)
Describe three hazards associated with the use of manual metal arc welding in a school engineering room.
Worked Solution & Example Answer:Describe three hazards associated with the use of manual metal arc welding in a school engineering room. - Leaving Cert Engineering - Question (i) - 2013
Step 1
Electric shock due to high voltages
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Answer
Electric shock is a significant hazard in manual metal arc welding. Ensuring that the welding equipment is well-maintained and that cables are secured and insulated properly is essential to prevent electric shock incidents.
Step 2
Fumes created by heating metals
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Answer
When metals are heated during the welding process, fumes are generated which can be harmful to health. To mitigate this risk, materials to be welded should be cleaned and degreased. Additionally, appropriate ventilation systems should be established to reduce inhalation of these fumes.
Step 3
Hot metals
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Answer
Welded materials become extremely hot and can lead to burns or injuries. It is critical to wear protective clothing, including leather gloves and aprons, to safeguard against these hazards.
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