EML 4504 Spring 2017 Examination 2 Essay (6pts each) 11. List three rules used t
ID: 1767434 • Letter: E
Question
EML 4504 Spring 2017 Examination 2 Essay (6pts each) 11. List three rules used to predict creep rupture. 12. Sketch a sheave. 13. A creep test is to be conducted at the identical stress level that was used to generate the curve shown. This second test, however, will be interrupted halfway into the secondary creep regime and the stress will be increased slightly. Approximate the resulting creep curve in the form of a sketch 14. What is a flywheel? 15. The chain and sprocket system of a bicycle designed for the road is to be replaced with a belt drive system similar to a stationary bicycle. Provide four benefits of using a belt-driven system over a chain- driven system. Florida TimeExplanation / Answer
Creep:
The slow and Progressive deformation of a body under constant stress is called as Creep.It is time dependent strain occured under constant Load.
Rules :
1) The test time must be at least 10% of Design Time
2)Creep or Failure mechanism must not change with Time and Temperature
3) Predictions must be over Long time
4) use of Plots to Estimate the Rupture time
Also
a) Design Rules
b) Time Fraction Rules
c) Simplified Conventional Ductility rules are used for evalutaion of Creep.
As per Chegg guide Lines I have answered only first Question
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