1495Mechanical EngineeringMedium
Grey cast iron________?
Ais 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
Bcontains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
Cis produced by annealing process. I is soft, tough and easily machinec metal
Dis also known as chilled cast iron am is obtained by cooling rapidly. It i: almost unmachinable
Enone of the above is true
Correct answer
B. contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
Explanation
The correct answer is contains 1.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron.