The heat treatment process applied to cold formed steel parts is ____________________?

A. Acetone
B. Ammonia
C. Ethyl alcohol
D. Formic acid

A. High speed
B. Silicon
C. Molybdenum
D. Tungsten

A. Aluminium
B. Nickel clad steel
C. Lead lined steel
D. Glass lined steel

A. Nichrome
B. Tungsten
C. Constantan
D. German silver

A. Has very low strength
B. Cannot be heated
C. Is broken by small temperature changes
D. All A., B. and C.