Medical Mcqs

Age hardening is a process done at______________?
  • (A)  Heating up to 200 – 450°C for 15 – 30 min and quenching in water
  • (B)  Heating at 700°C for 10 – 15 min and quenching in water
  • (C)  Heating at 700°C for 1 hour and quenching in water
  • (D)  Heating above 700°C for 30 min and quenching in water