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Mechanical Engineering · Q93

Engineering Materials

Engineering and GATE · Mechanical Engineering · question 93

Q93

Gamma iron exits at following temperature

A.
Room temperature
B.
Near melting point
C.
Between 1400°C and 1539°C
D.
Between 910°C and 1400°C
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Gamma iron is an allotropic form of iron existing between the temperature 910°C and 1400°C and having a face-centered cubic lattice