Q296
In induction hardening ________ is high.
A.
Current
B.
Voltage
C.
Frequency
AnswerD.
Temperature
Answer: Option C
Solution
Answer: Option C
Solution:
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.