Q663
Pick out the correct statement.
A.
Hot worked materials are subjected to annealing to remove internal stresses
B.
Annealing of steel hardens it slightly
C.
Normalising of a material induces stresses
D.
Tempering of a material improves ductility & toughness but reducess hardness & brittlenes
AnswerAnswer: Option D
Solution
Answer: Option D
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