A bar of 12 mm diameter is tested on a Universal Testing Machine and following are the observations.
Gauge length = 200 mm
Load at proportional limit = 20 kN
Change in length at proportional limit = 0.2 mm
Change in diameter at proportional limit = 0.0025 mm
Find the value of Poisson’s ratio.
1
ν = 0.557
2
ν = 0.208
3
ν = 0.355
4
ν = 0.456