In hot working, dynamic recovery occurs in
A. Metals of low stacking fault energy
B. Metals of high stacking fault energy e.g. α-iron
C. Single crystal of Ni-based superalloys
D. None of these
Answer: Option B
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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