Prep
Bee
Pakistan
Free MCQ Practice Platform for Govt Job Exams
Home
MCQs
Quiz
Past Papers
FIA Prep
Contact
Quiz Mode
Login
Register
Preparing your study page...
Home
MCQs
Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
Malleable cast iron _________________?
A
contains l.7 to 3.5% carbon in free state and is obtained by the slow cooling of molten cast iron
Option A
B
is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
Option B
is produced by annealing process. It is soft, tough, and easily machined metal
Correct answer
D
is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material
Option D
Correct answer: C
Explanation
No explanation provided for this MCQ yet.
Hide Answer
Hide Explanation
Start Related Quiz
Submit Correction
More MCQs