Resistance Spot Welding (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What formula shows how heat is generated in resistance welding?
What formula shows how heat is generated in resistance welding?
Why are copper electrodes used in spot welding?
Why are copper electrodes used in spot welding?
Excellent conductivity & heat dissipation
What does resistance spot welding create between metal sheets?
What does resistance spot welding create between metal sheets?
Individual weld points
Where does localised heating occur during spot welding?
Where does localised heating occur during spot welding?
At the contact point between sheets
How quickly does the spot welding process typically occur?
How quickly does the spot welding process typically occur?
Fractions of a second
Which consumables are NOT required for spot welding?
Which consumables are NOT required for spot welding?
Flux, filler rods, or shielding gases
What makes spot welding a clean process?
What makes spot welding a clean process?
Minimal sparks or fumes produced
Which industry makes extensive use of spot welding?
Which industry makes extensive use of spot welding?
Automotive industry
What type of electrodes does seam welding use?
What type of electrodes does seam welding use?
Rotating wheel electrodes
What type of joints does seam welding suit best?
What type of joints does seam welding suit best?
Leak-tight joints
Why is standard mains electricity (230V AC) unsuitable for spot welding?
Why is standard mains electricity (230V AC) unsuitable for spot welding?
Too dangerous and unsuitable
What electrical characteristics does spot welding require?
What electrical characteristics does spot welding require?
High current, low voltage (under 10V)