

McqMate
Q. |
Cracks of a vertical nature and dark coloured fissures in a sample of hardened steel indicate that |
A. | Steel has not been properly heated |
B. | Steel has been burned |
C. | Steel contains excessive alloying elements |
D. | Steel has been properly hardened |
E. | Steel has achieved maximum possible hardness in accordance with the carbon percentage |
Answer» B. Steel has been burned |
View all MCQs in
MetallurgyNo comments yet