Liquid Penetrant Test (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 is non-destructive testing (NDT)?
What is non-destructive testing (NDT)?
Method to find flaws without damage
Which flaws can NDT detect in components?
Which flaws can NDT detect in components?
Cracks, voids, and inclusions
Why does the aerospace industry rely heavily on NDT?
Why does the aerospace industry rely heavily on NDT?
Components face extreme stresses
What does the liquid penetrant test highlight?
What does the liquid penetrant test highlight?
Surface cracks on components
What principle does liquid penetrant testing work on?
What principle does liquid penetrant testing work on?
Capillary action
What is Step 1 of the liquid penetrant test process?
What is Step 1 of the liquid penetrant test process?
Cleaning the material surface
In Step 2, what happens after the liquid dye is sprayed?
In Step 2, what happens after the liquid dye is sprayed?
Dye penetrates into surface cracks
What happens to the dye in Step 3 of the process?
What happens to the dye in Step 3 of the process?
Excess wiped, dye stays in cracks
What does the developer do in Step 4?
What does the developer do in Step 4?
Draws dye from cracks for contrast
What decisions are made in Step 5 after inspection?
What decisions are made in Step 5 after inspection?
Repair, replace, or leave component
How does UV sensitive penetrant appear under UV light?
How does UV sensitive penetrant appear under UV light?
Shows up brightly in darkened room
What advantage does UV penetrant testing offer?
What advantage does UV penetrant testing offer?
Better visibility of small defects
