Introduction to 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 level does welding occur at to create a stronger bond than mechanical fastening?
What level does welding occur at to create a stronger bond than mechanical fastening?
Molecular level
Which welding process is also known as MIG welding?
Which welding process is also known as MIG welding?
Gas Metal Arc Welding (GMAW)
What is an arc burn in welding?
What is an arc burn in welding?
Defect from arc striking outside weld
What happens to the base metal in the heat-affected zone (HAZ)?
What happens to the base metal in the heat-affected zone (HAZ)?
Properties change but doesn't melt
What is DCEN also called in welding polarity?
What is DCEN also called in welding polarity?
Straight polarity
What thickness range of metals does spot welding work well for?
What thickness range of metals does spot welding work well for?
0.5 to 3 mm
How many standard types of weld joints are used in the welding industry?
How many standard types of weld joints are used in the welding industry?
Five
What shape does a corner joint create?
What shape does a corner joint create?
L-shape
Why should edge joints not be used for pressure vessels?
Why should edge joints not be used for pressure vessels?
Significant limitations in strength
Which joint type is considered strongest when properly executed?
Which joint type is considered strongest when properly executed?
Butt joint
What is the horizontal line foundation of a welding symbol called?
What is the horizontal line foundation of a welding symbol called?
Reference line
What shape is the weld-all-around symbol?
What shape is the weld-all-around symbol?
Circle