Presence of cobalt in steel improves its____________________?

Question: Liners of a ball mill are never made of
[A].

lead

[B].

alloy steel

[C].

rubber or ceramic material

[D].

cast iron

Answer: Option A

Explanation:

No answer description available for this question.

Question: Addition of nickel to copper improves its
[A].

machinability

[B].

ductility

[C].

strength

[D].

hardness

Answer: Option D

Explanation:

No answer description available for this question.

Question: Copper has very low
[A].

malleability

[B].

ductility

[C].

tensile strength

[D].

thermal & electrical conductivity

Answer: Option C

Explanation:

No answer description available for this question.