Which of the following elements does not impart hardness to steel__________________?
A. copper
B. chromium
C. nickel
D. silicon
E. none of the above
A. copper
B. chromium
C. nickel
D. silicon
E. none of the above
A. the points where no further change oc-curs
B. constant for all metals
C. the points where there is no further flow of metal
D. the points of discontinuity
E. the points where major changes take place
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. hot hardness
B. toughness
C. wear resistance
D. sharp cutting edge
E. cold hardness
A. cast iron
B. mild steel
C. non-ferrous materials
D. wrought iron
E. stainless steel
A. tin, antimony, copper
B. tin and copper
C. tin and lead
D. lead and zinc
E. lead and copper