16 Questions
What is the primary focus of failure analysis?
Collecting and analyzing data to determine the root cause of a failure
Which of the following is NOT an example of a harsh environment that commonly induces failure?
Chemically inert environment
What are examples of operating conditions that frequently cause material failure?
Stress, impact, and frictional loading
In failure analysis, what are environmental conditions and operating loads often considered as?
Primary causes leading to a material’s failure
What is the main objective of failure analysis?
To determine the root cause of a failure
What does fracture toughness relate to in the context of material failure?
Resistance to impact forces
Which of the following is the first critical step in failure prevention according to the text?
Selecting appropriate materials
Which method can be used to reveal depth of hardening, grain size, phase present, non-metallic inclusions, and porosities?
Metallographic examination
What does quenched and tempered materials lose strength at?
Higher temperature
Which of the following is NOT mentioned as a cause of failure?
Correct processing
What affects the strength of age-hardened materials?
High temperature
What is used to detect crack initiation, fatigue striations, and fracture modes?
Scanning electron microscope (SEM)
What may create gas porosity and segregation during processing?
Casting
What involves designing for maximum stress including safety factor and avoiding stress raisers?
(Correct) design
What method is used to analyze the phases, inclusions, and corrosion products?
(SEM/EDX) Microanalysis
What are examples of failure causes mentioned in the text?
(Fabrication) defects and faulty heat treatments
Test your knowledge of marks and hours distribution in the Mechanical Engineering Department for the Fourth Year- First Term (2023-2024). The quiz covers topics such as total marks, contact hours, and exam time lab.
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