1.You are designing the windows of an airplane. Would you design them as squares, ovals, or hexagons? Justify your answer.
2.During fatigue testing, why is it necessary to hang a mass piece underneath the test specimen?
3.Calculate the strain hardening exponent “n” for an alloy in which true stress of 520MPa produces a true strain of 0,1. (Use K = 1035MPa).
4.What do you understand by the term “fully reversed cyclic loading”?
5.Cavitation occurs when:
a. You drink too much coke
b. An electrode anodically corrodes a base material
c. Crystalline alloys loose grains
d. A bubble implodes
e. None of the options
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