Question

What is the correct sequence of the following metals in the decreasing order of their Poisson's ratio?
1. Aluminium
2. Castiron
3. Steel
Select the correct answer using the codes given below:

• A. $1-2-3$
• B. $2-1-3$
• C. $1-3-2$
• D. $3-2-1$

Answer 1

The correct option is C $1-3-2$

The values of Poisson's ratio of various materials
are tabulated below:
Material Poisson's ratio
Aluminium 0.33
Brass 0.34
Bronze 0.34
Cast iron 0.2-0.3
Concrete 0.1-0.2
Copper 0.33-0.36
Glass 0.02-0.03
Nylon 0.40
Rubber 0.45-0.50
Steel 0.27-0.30
Wrought iron 0.3