The surface hardness of the following order is achieved by nitriding operation__________________?
A. 1000 to 1100 VPN

B. 600 VPN

C. 1500 VPN

D. 2000 VPN

E. 250 VPN

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.