A. 0.05 to 0.20%
B. 0.20 to 0.45%
C. 0.45 to 0.55%
D. 0.55 to 1.0%
E. 1.0 to 1.2%.
A. carbon
B. sulphur
C. silicon
D. manganese
E. phosphorous
A. 770°C
B. 910°C
C. 1440°C
D. 1539°C
E. none of the above
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A. at which crystals first start forming from molten metal when it is cooled
B. at which new spherical crystals first begin to form from the old deformed one when a strained metal is heated
C. at which change of allotropic form takes place
D. at which crystals grow bigger in size
E. at which crystals are destroyed on heating
A. mild steel
B. german silver
C. lead
D. cast iron
E. graphite
[B].
[C].
Answer: Option A
Explanation:
No answer description available for this question.