Mechanical Engineering Department Marks and Hours Distribution Quiz

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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'?

Chapter 2 Signup and view all the answers

What is the purpose of a failure analysis report?

To document the root cause of a failure Signup and view all the answers

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

Distortion Signup and view all the answers

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

Selecting appropriate materials Signup and view all the answers

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

Loading situation data Signup and view all the answers

Which process may create gas porosity and segregation?

Casting Signup and view all the answers

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

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

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

Metallographic examination Signup and view all the answers

What is a common failure cause according to the text?

Fabrication defects Signup and view all the answers

What does selecting appropriate materials depend on?

Stress-rupture time Signup and view all the answers

What does correct design involve according to the text?

Avoiding stress raisers Signup and view all the answers

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

Gas porosity and cracks Signup and view all the answers

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

Scanning electron microscope (SEM) Signup and view all the answers

Mechanical Engineering Department Marks and Hours Distribution Quiz

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