Which is correct statement?
A. A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron
B. A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel
C. Both will be equally rigid
D. Which one is rigid will depend on several other factors
Answer: Option B

E is more for steel than that of CI then why regidity of CI is more? Fluxural rigidity means EI na?