In induction hardening ________ is high.
A. Current
B. Voltage
C. Frequency
D. Temperature
Answer: Option C
Solution (By Examveda Team)
Induction hardening is a type of surface hardening in which a metal part is induction-heated and then quenched.The quenched metal undergoes a martensitic transformation, increasing the hardness and brittleness of the part.
In induction hardening Frequency is high.
This Question Belongs to Mechanical Engineering >> Engineering Materials
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