MCQ- INITIALLY CURVED BEAMS

https://www.mesubjects.net/wp-admin/post.php?post=7429&action=edit          MCQ Shear stresses in beams-1

https://www.mesubjects.net/wp-admin/post.php?post=8001&action=edit         MCQ Shear stresses in beams-2

https://www.mesubjects.net/wp-admin/post.php?post=4179&action=edit         MCQ Bending stresses in beams-1

https://www.mesubjects.net/wp-admin/post.php?post=10594&action=edit       MCQ Stresses in Rotating Discs

MCQ-CURVED BEAMS

MCQ increase clarity and understanding. The centroid axis does not coincide with the neutral axis. Maximum stress occurs on the innermost fiber.

Name formula for stresses in a curved beam.

Winkler Bach Formula

(a) σi =Mci /Aero ,  σo=Mci /Aero

(b) σi =Mco /Aero ,  σo=Mci /Aero

(c)  σi =Mci /Aeri,  σo=Mco /Aero

(d) None

ANS: (c)

Bending moment is calculated

(a) Centroid axes

(b) neutral Axis

(c) Centroid & neutral axis

(d) None

ANS: (a)

For rectangular section,

(a) r = ri -h/2 & r =ri / ln(ro/ri)

(b) r = ri +h/2 & r =ri / ln(ro/ri)

(c) r = ri + h/2 & r =h / ln(ro/ri)

(d) None

ANS: (c)