Mechanical Engineering Dept Marks Distribution Quiz
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Questions and Answers

What is the first critical step in failure prevention methods?

  • Detection, collect data, and description of failure situation (correct)
  • Examine and analyze the failure using chemical analysis
  • Photograph the failure in several angles before destruction for examination
  • Write a report on the failure

    • What can metallographic examination reveal?

  • Unexpected operating conditions and inadequate environmental control
  • Depth of hardening and phase present (correct)
  • Faulty heat treatments and mechanical design fault
  • Fracture modes and fatigue striations

    • Which of the following is a failure cause according to Dr. Reham Reda Abbas?

  • Proper material selection
  • Selection of appropriate materials
  • Fabrication defects (correct)
  • Correct processing

    • What does selecting appropriate materials depend on, according to Dr. Reham Reda Abbas?

    <p>Fatigue conditions and stress-rupture time</p> Signup and view all the answers

    What effect does casting have, according to Dr. Reham Reda Abbas?

    <p>Creates gas porosity and segregation</p> Signup and view all the answers

    What is the primary focus of failure analysis?

    <p>Determining the root cause of a failure</p> Signup and view all the answers

    Which of the following is considered a harsh environment that can induce material failure?

    <p>Corrosive environment</p> Signup and view all the answers

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

    <p>Frictional loading</p> Signup and view all the answers

    In failure analysis, what does stress primarily refer to?

    <p>Pressure exerted on the material</p> Signup and view all the answers

    What is the main purpose of a failure analysis report?

    <p>Determining root cause of the failure</p> Signup and view all the answers

    What is the first critical step in failure prevention methods according to Dr. Reham Reda Abbas?

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

    What may be revealed by metallographic examination, as mentioned by Dr. Reham Reda Abbas?

    <p>Grain size and phase present</p> Signup and view all the answers

    Which of the following is considered a failure cause according to Dr. Reham Reda Abbas?

    <p>Improper material selection</p> Signup and view all the answers

    What does selecting appropriate materials depend on, according to Dr. Reham Reda Abbas?

    <p>Temperature range of operation</p> Signup and view all the answers

    What is the primary focus of failure analysis, as per Dr. Reham Reda Abbas?

    <p>Identifying root causes and failure mechanism</p> Signup and view all the answers

    What is the main focus of failure analysis, as described by Dr. Reham Reda Abbas?

    <p>Determining the root cause of a failure through data analysis</p> Signup and view all the answers

    Which of the following is considered an example of a harsh environment that can induce material failure, according to Dr. Reham Reda Abbas?

    <p>High temperature environment</p> Signup and view all the answers

    What type of loading frequently causes material failure, based on the information provided by Dr. Reham Reda Abbas?

    <p>High impact loading</p> Signup and view all the answers

    What does stress primarily refer to in the context of failure analysis, based on the information provided by Dr. Reham Reda Abbas?

    <p>Load applied to a material</p> Signup and view all the answers

    What is the primary purpose of a failure analysis report, as indicated by Dr. Reham Reda Abbas?

    <p>Determining the root cause of a failure</p> Signup and view all the answers

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