Liquid Penetrant Test (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is the main purpose of non-destructive testing (NDT)?
What is the main purpose of non-destructive testing (NDT)?
Find flaws without damaging components
Which types of flaws can NDT identify in components?
Which types of flaws can NDT identify in components?
Cracks, voids, and inclusions
Why is NDT particularly crucial in the aerospace industry?
Why is NDT particularly crucial in the aerospace industry?
Components must have long service lives
What does the liquid penetrant test specifically highlight?
What does the liquid penetrant test specifically highlight?
Surface cracks on components
What principle allows liquid penetrant testing to work?
What principle allows liquid penetrant testing to work?
Capillary action
What is the first step in the liquid penetrant test process?
What is the first step in the liquid penetrant test process?
Cleaning to remove oil, grease, and dirt
During step 2, what happens after the liquid dye is sprayed?
During step 2, what happens after the liquid dye is sprayed?
It penetrates into surface cracks
What is removed during step 3 of the liquid penetrant test?
What is removed during step 3 of the liquid penetrant test?
Excess liquid, leaving dye in cracks
What does the developer spray do in step 4?
What does the developer spray do in step 4?
Draws dye from cracks, creating contrast
What decisions can engineers make during step 5 inspection?
What decisions can engineers make during step 5 inspection?
Repair, replace, or leave in service
How is ultra violet sensitive liquid penetrant viewed?
How is ultra violet sensitive liquid penetrant viewed?
Under UV lamp in darkened room
What advantage does UV penetrant offer over visible dye?
What advantage does UV penetrant offer over visible dye?
Can reveal defects missed by visible dye
