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- Subject
- Machine Designmechanical-engineering-mcqs › machine-design
- Published
- 26 Jan 2019
- Last updated
- 28 May 2026
Explanation
When a material fails below its yield point, the failure is typically due to fatigue, which occurs from repeated cyclic loading causing cracks to initiate and propagate over time.
More Machine Design MCQs
Practice related questions from the same subject.
- 1.What does the designation M 33 x 2 indicate for a bolt?
- 2.By which parameter are rivets typically designated?
- 3.Which of these methods provides a fixed and non-removable joint?
- 4.Given that the tearing efficiency of a riveted joint is 75%, what is the corresponding ratio of the rivet diameter to the pitch?
- 5.What is the principle behind the locking mechanism of a jam nut?
- 6.Where are buttress threads most commonly utilized?
- 7.What is the name of a key that fits into a curved slot machined on a shaft and can pivot within it?
- 8.What is the name of the tapered key that fits into a keyway on the hub and lies flat against the shaft?
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