What is the most common method of surface hardening the journals on a heavy-duty crankshaft?
A) flame hardening
B) nitriding
C) anodizing
D) induction hardening

Question

Quizplus · Accepted Answer

Induction hardening is the most common method for surface hardening crankshaft journals due to its ability to provide a hard, wear-resistant surface while maintaining a tough core.

What Is the Most Common Method of Surface Hardening the Journals