Q
Chromium in steel_________________?
-
A
A. Improves wear resistance, cutting ability and toughness
-
B
B. Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
-
C
C. Improves cutting ability and reduces hardenability
-
D
D. Gives ductility, toughness, tensile strength and anticorrosion properties
Correct Answer:
A. A. Improves wear resistance, cutting ability and toughness