In nodular iron, graphite is in the form of_____________________?
A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite
A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
Answer: Option B
Explanation:
No answer description available for this question.
A. It contains carbon of the order of 0 to 0.25%
B. It melts at 1535°C
C. It is very soft and ductile
D. It can be easily forge welded
E. It is made by adding suitable percent¬age of carbon to molten iron and subjecting the product to repeated hammering and rolling
A. promotes decarburisation
B. provides high hot hardness
C. forms very hard carbides and thus in-creases wear resistance
D. promotes retention of austenite
E. increases toughness
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.