Impact 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 property of a material does impact testing measure?
What property of a material does impact testing measure?
Toughness
What type of testing method is impact testing?
What type of testing method is impact testing?
Destructive
What happens to the pendulum when testing a tough material?
What happens to the pendulum when testing a tough material?
It doesn't swing very far past
How is the test specimen held in an Izod test?
How is the test specimen held in an Izod test?
Vertically in a vice
How is the specimen positioned in a Charpy test?
How is the specimen positioned in a Charpy test?
Horizontally between two supports
What does a higher energy absorption value indicate?
What does a higher energy absorption value indicate?
Tougher material
What characterises a brittle fracture?
What characterises a brittle fracture?
Snaps suddenly with clean break
What characterises a ductile fracture?
What characterises a ductile fracture?
Bends and tears before breaking
Why is a notch cut into the test specimen?
Why is a notch cut into the test specimen?
To ensure predictable breaking location
What is the typical cross-section of an impact test specimen?
What is the typical cross-section of an impact test specimen?
10mm × 10mm
How does impact testing differ from static strength tests?
How does impact testing differ from static strength tests?
It measures dynamic loading behaviour
What do engineers examine in impact test results?
What do engineers examine in impact test results?
Energy absorbed and fracture surfaces