- (A) Refine coarse grain structure obtained during hot working
- (B) Improve ductility
- (C) Improve yield strength
- (D) Improve mechanical properties
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- (A) 110
- (B) 85
- (C) 60
- (D) 45
- (A) Same
- (B) Slightly less
- (C) Slightly more
- (D) Much more
- (A) Cu
- (B) Zn
- (C) Fe
- (D) Ni
- (A) Linearly
- (B) Exponentially
- (C) Logarithmically
- (D) Inversely
- (A) Boundary
- (B) Hydrodynamic
- (C) Hydrostatic
- (D) Mixed/semi-fluid
- (A) Water
- (B) Steam
- (C) Foam
- (D) Nitrogen
- (A) Copper
- (B) Zinc
- (C) Tin
- (D) Aluminium
- (A) Fracture
- (B) Dislocation
- (C) Slip
- (D) Twinning
- (A) 150-300
- (B) 400-500
- (C) 650-800
- (D) 1000-1100
