Fatigue Testing (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 does fatigue refer to in materials testing?
What does fatigue refer to in materials testing?
Resistance to failure under repeated loading
Fatigue failure can occur even when applied loads are below which material property?
Fatigue failure can occur even when applied loads are below which material property?
Ultimate strength
What percentage of structural failures in metals are caused by fatigue?
What percentage of structural failures in metals are caused by fatigue?
80-90%
What type of testing method is fatigue testing classified as?
What type of testing method is fatigue testing classified as?
Destructive
What key measurement do engineers count during fatigue testing?
What key measurement do engineers count during fatigue testing?
Number of loading cycles until failure
Which component experiences repeated loading during flight?
Which component experiences repeated loading during flight?
Aircraft wings
What type of loading pattern is typically applied during fatigue testing?
What type of loading pattern is typically applied during fatigue testing?
Cyclic (loading and unloading)
Why is fatigue failure particularly concerning in engineering?
Why is fatigue failure particularly concerning in engineering?
It can be unpredictable
What is the primary purpose of fatigue testing?
What is the primary purpose of fatigue testing?
Predict component lifespan
Which of these is NOT one of the three key measurements in fatigue testing?
Which of these is NOT one of the three key measurements in fatigue testing?
Material density
How long can fatigue testing take to complete?
How long can fatigue testing take to complete?
Hours to weeks
What can engineers use fatigue test results to optimise?
What can engineers use fatigue test results to optimise?
Component design to resist fatigue