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Metallurgical Engineering · Q96

Physical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 96

Q96

In the homogenous nucleation, as compared to heterogeneous nucleation

A.
undercooling is more and the critical radius of the spherical surface of the nucleus rcr is smaller
Answer
B.
undercooling is more and rcr is larger
C.
undercooling is smaller and rcr is smaller
D.
undercooling is smaller and rcr is larger

Answer: Option A

Solution

Answer: Option A
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