Metallurgical Engineering > GATE 2023 > Phase Transformations
At one atmosphere pressure, α-Fe transforms to γ-Fe above 912 °C. Density of γ-Fe is more than that of α-Fe. Choose the correct statement.
A
Increasing the pressure above one atmosphere lowers the α-Fe to γ-Fe transformation temperature.
B
Increasing the pressure above one atmosphere raises the α-Fe to γ-Fe transformation temperature.
C
Molar volume of γ-Fe is higher than the molar volume of α-Fe.
D
Pressure change will not have any effect on the α-Fe to γ-Fe transformation temperature.

Correct : a

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