Strain-gauge - MCQs with answers

Strain-gauge - MCQs with answers

1. How is the Poisson's ratio expressed for a wire in terms of assorted directions?

a. as a ratio of strain in lateral direction to the strain in an axial direction

b. as a ratio of strain in axial direction to the strain in lateral direction

c. as a ratio of stress in axial direction to the strain in lateral direction

d. as a ratio of stress in lateral direction to the strain in an axial direction

View Answer / Hide Answer

2. Which angle of subtension can be observed by the reflected light beam during the rotational movement of mirror under the application of stress in optical gauges?

a. Equal to an angle of incident light
b. Twice to an angle of incident light
c. One-half to an angle of incident light
d. One-third to an angle of incident light

View Answer / Hide Answer

3. Which phenomenon results in producing the difference in resistance due to incapability to regain its original physical form before an application of stress to the gauge element?

a. Hysteresis Effect
b. Barkheussan Effect
c. Differentiative Effect
d. Integrative Effect

View Answer / Hide Answer