If a constant section beam is subjected to a uniform bending moment throughout,

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Strength of Materials Comments

Question
If a constant section beam is subjected to a uniform bending moment throughout, its length bends to
Options
A. a circular arc
B. a parabolic arc
C. a catenary
D. none of these.

Correct Answer

a circular arc

Strength of Materials problems

Search Results

2. A cantilever carrying a uniformly distributed load W over its full length is propped at its free end such that it is at the level of the fixed end. The bending moment will be zero at its free end also at
Options
A. mid point of the cantilever
B. fixed point of the cantilever
C. 1/4th length from free end
D. 3/4th length from free end
E. half length from free end.

3. A simply supported beam (l + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if
Options
A. l > 2a
B. l < 2a
C. l = 2a
D. l = 4a
E. l = 3a.

4. A cantilever beam rectangular in cross-section is subjected to an isolated load at its free end. If the width of the beam is doubled, the deflection of the free end will be changed in the ratio of
Options
A. 8
B. 1/8
C. 1/2
D. 2
E. 3

8. The shear force on a simply supported beam is proportional to
Options
A. displacement of the neutral axis
B. sum of the forces
C. sum of the transverse forces
D. algebraic sum of the transverse forces of the section
E. curvature of the neutral axis.

Comments

More in Civil Engineering: