- (A) Decrease in dislocation density
- (B) Increase in solutionising temperature
- (C) Increase in strength
- (D) Decrease in grain size
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- (A) Temperature – entropy
- (B) Temperature – pressure
- (C) Enthalpy – entropy
- (D) Enthalpy-pressure
- (A) Manganese
- (B) Magnesium
- (C) Vanadium
- (D) Copper
- (A) Face centred
- (B) Simple cubic
- (C) Body centred
- (D) None of these
- (A) H2SO4
- (B) NaOH
- (C) NH3
- (D) HCl
- (A) Case carburising
- (B) Tempering
- (C) Normalising
- (D) Annealing
- (A) Less than the wet bulb temperature
- (B) More than the wet bulb temperature
- (C) Equal to the wet bulb temperature
- (D) Equal to the ambient temperature
- (A) H+ ions are absent
- (B) OH- ions are absent
- (C) Both H+ and OH- ions are present in very small but equal concentration
- (D) None of these
- (A) Annealing
- (B) Toughening
- (C) Work hardening
- (D) Tempering
- (A) Frequency
- (B) Amplitude
- (C) Damping
- (D) None of these
