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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
Grey cast iron_____________________?
contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
Correct answer
B
is also known as chilled cast iron am is obtained by cooling rapidly. It i: almost unmachinable
Option B
C
is produced by annealing process. I is soft, tough and easily machinec metal
Option C
D
is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroida form and is well dispersed throughout the material
Option D
Correct answer: A
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