Hardened steel is softened by___________________?
Hardened steel is softened by___________________?
A. Normalising
B. Tempering
C. Annealing
D. Carburising
Similar Posts
Acid proof stoneware_________________?
Acid proof stoneware_________________?A. Has very low strength
B. Cannot be heated
C. Is broken by small temperature changes
D. All A., B. and C.Mild steel is ___________________?
Mild steel is ___________________?A. A low carbon steel (0.05 to 0.3% carbon)
B. Highly resistant to corrosion (as much as stainless steel)
C. A high carbon steel (0.5 to 1.5% carbon)
D. Very poor in strength & ductilityWhen the steel is subjected to normalising, its ______________ decreases?
When the steel is subjected to normalising, its ______________ decreases?A. Yield point
B. Ductility
C. Ultimate tensile strength (UTS)
D. None of theseHigh carbon steel contains more than _____________ percent carbon?
High carbon steel contains more than _____________ percent carbon?A. 0.5
B. 2.2
C. 2.5
D. 2.8Anodic material used for the cathodic protection of underground buried steel pipeline is_________________?
Anodic material used for the cathodic protection of underground buried steel pipeline is_________________?A. Nickel or copper
B. Zinc or magnesium
C. Bronze
D. Brass‘Semi steel’ is
Question: ‘Semi steel’ is
[A].produced by adding 10-20% steel to the cupola charge. [B].
stronger than cast iron. [C].
both (a) and (b). [D].
neither (a) nor (b). Answer: Option C
Explanation:
No answer description available for this question.