a. 120.14 N/mm^2

b. 214.16 N/mm^2

c. 314.16 N/mm^2

d. 620.14 N/mm^2

Q.12 A thin high strength steel plate 4 mm thick and 1000 mm long is bent by couples Mo into a circular arc which subtends a central angle of 45. The maximum bending stress in the plate is [Take E = 2 x 105 N/mm].