railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Classification of Materials
Consider the following statement(s)
1. A material is known as allotropic or polymorphic if it exists in several crystal forms at different temperatures
2. The material having the same elastic properties in all directions are called isotropic material
Which of the following statement(s) is\are correct?
1
Only 1
2
Both 1 and 2
3
Only 2
4
None of these