Card 12 / 36: Which of the following are well-established experimental tools for determining localized strains in engineering pieces? I. Localized electrical resistance measurements in strain gauges II. Optical methods based on photoelasticity III. Ultrasonic displacement mapping IV. X-ray or computed tomography
A)
II only
B)
Both II and III
C)
Both I and IV
D)
Both I and II
E)
I, II, III, and IV
Answer:
D) Both I and II
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