Mechanical Engineering Department Marks and Hours Distribution Quiz
16 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary focus of failure analysis?

  • Collecting and analyzing data
  • Environmental conditions
  • Determining the root cause of a failure (correct)
  • Operating loads

Which of the following is NOT an example of harsh environments that commonly induce failure?

  • Chemically reactive environment
  • Low humidity environment (correct)
  • High temperature environment
  • Corrosive environment

What are examples of operating conditions that frequently cause material failure?

  • Stress concentration and fracture toughness
  • Distortion and crack propagation
  • Impact and frictional loading (correct)
  • Corrosive environment and high temperature

Which chapter in the content deals with 'Failure Due To Overload'?

<p>Chapter 2 (B)</p> Signup and view all the answers

What is the purpose of a failure analysis report?

<p>To document the root cause of a failure (C)</p> Signup and view all the answers

What is stress concentration often associated with in terms of material failure?

<p>Distortion (C)</p> Signup and view all the answers

What is the first critical step in failure prevention according to the text?

<p>Selecting appropriate materials (C)</p> Signup and view all the answers

What method can be used to evaluate the magnitude of stress?

<p>Loading situation data (A)</p> Signup and view all the answers

Which process may create gas porosity and segregation?

<p>Casting (D)</p> Signup and view all the answers

What is used to analyze the phases, inclusions, and corrosion products?

<p>Energy dispersive X-ray spectroscopy (SEM/EDX) (C)</p> Signup and view all the answers

What can reveal depth of hardening, grain size, and non-metallic inclusions?

<p>Metallographic examination (C)</p> Signup and view all the answers

What is a common failure cause according to the text?

<p>Fabrication defects (D)</p> Signup and view all the answers

What does selecting appropriate materials depend on?

<p>Stress-rupture time (B)</p> Signup and view all the answers

What does correct design involve according to the text?

<p>Avoiding stress raisers (B)</p> Signup and view all the answers

What do cold working and forging create according to the text?

<p>Gas porosity and cracks (D)</p> Signup and view all the answers

What is used to detect crack initiation, fatigue striations, and fracture modes?

<p>Scanning electron microscope (SEM) (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser