- Chemical Engineering Basics - Section 1
- Chemical Engineering Basics - Section 2
- Chemical Engineering Basics - Section 3
- Chemical Engineering Basics - Section 4
- Chemical Engineering Basics - Section 5
- Chemical Engineering Basics - Section 6
- Chemical Engineering Basics - Section 7
- Chemical Engineering Basics - Section 8
- Chemical Engineering Basics - Section 9
- Chemical Engineering Basics - Section 10
- Chemical Engineering Basics - Section 11
- Chemical Engineering Basics - Section 12
- Chemical Engineering Basics - Section 13
- Chemical Engineering Basics - Section 14
- Chemical Engineering Basics - Section 15
- Chemical Engineering Basics - Section 16
- Chemical Engineering Basics - Section 17
- Chemical Engineering Basics - Section 18
- Chemical Engineering Basics - Section 19
- Chemical Engineering Basics - Section 20
- Chemical Engineering Basics - Section 21
- Chemical Engineering Basics - Section 22
- Chemical Engineering Basics - Section 23
- Chemical Engineering Basics - Section 24
- Chemical Engineering Basics - Section 25
- Chemical Engineering Basics - Section 26
- Chemical Engineering Basics - Section 27
- Chemical Engineering Basics - Section 28


Chemical Engineering Basics - Engineering
Q1: Heating of ferromagnetic materials to a temperature above Curie temperature makes itA insulator for heat & electricity transmission.
B ferritic.
C behave like paramagnetic materials.
D superconductor.
ANS:C - behave like paramagnetic materials. Paramagnetic materials are those that are weakly attracted to an external magnetic field. Unlike ferromagnetic materials, which are strongly attracted to magnetic fields and can retain their magnetization even after the external field is removed, paramagnetic materials only exhibit a weak magnetic response when placed in a magnetic field. When ferromagnetic materials are heated above their Curie temperature, they lose their ferromagnetic properties and transition into a paramagnetic state. In this state, the material's atomic magnetic moments become randomly oriented, causing it to exhibit only a weak magnetic response when subjected to an external magnetic field. Therefore, when ferromagnetic materials behave like paramagnetic materials, it means that they no longer display strong magnetic properties and instead exhibit only a weak attraction to magnetic fields. |


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