High
speed steel should have
A.
Wear resistance
B.
Hardness
C.
Toughness
Only
A
Only B
Only
C
Both
A and B
Both
A and B
High
speed steel have unique physical and mechanical properties that make them good candidates
for the production of parts with an optical combination of high strength, wear
resistance, toughness,andhardness
Hence,
the correct option is (D).
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's