GATE MT · 2025 · MT
Question 43: Diffusion in solids
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Question 43
MTMCQ2 marksNeeds review
The following are the activation energies for diffusion of carbon and iron at 773 K in polycrystalline BCC iron:
P = Activation energy for diffusion of carbon in BCC iron through the lattice
Q = Activation energy for diffusion of iron in BCC iron through the lattice
R = Activation energy for diffusion of iron in BCC iron along the grain boundary
Which one of the following statements is CORRECT?
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2025MT
GATE MT 2025 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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