Top 150+ Solved Structural Mechanics MCQ Questions Answer
Q. Moment of inertia of any section about an axis passing through its C.G is
a. Maximum
b. Minimum
c. Depends upon the dimensions of the section
d. Depends upon the shape of the section
Q. The moment of inertia of a body is always minimum with respect to its
a. Base
b. Centroidal axis
c. Vertical axis
d. Horizontal axis
Q. Moment of inertia is the
a. Second moment of area
b. Second moment of mass
c. Second moment of force
d. All of these
Q. In a simply supported beam carrying a uniformly distributed load W/m over the left half span, the point of contra flexure will occur in
a. Left half span of the beam
b. Right half span of the beam.
c. Quarter points of the beam
d. Does not exist
Q. A sudden increase or decrease in shear force diagram between any twopoints indicates that there is
a. No loading between the two points
b. Point loads between the two points
c. U.D.L. between the two points
d. None of these
Q. When the bending moment is parabolic curve between two points, it indicates that there is
a. No loading between the two points
b. Point loads between the two points
c. U.D.L. between the two points
d. Uniformly varying load between the two points
Q. What is the bending moment at end supports of a simply supported beam?
a. Maximum
b. Minimum
c. Zero
d. Uniform
Q. What is the maximum shear force, when a cantilever beam is loaded withudl throughout?
a. w×l
b. w
c. w/l
d. w+l
Q. Sagging, the bending moment occurs at the of the beam.
a. At supports
b. Mid span
c. Point of contraflexure
d. Point of emergence
Q. What will be the variation in BMD for the diagram? [Assume l = 2m].
a. Rectangular
b. Trapezoidal
c. Triangular
d. Square
Q. What is the maximum bending moment for simply supported beam carrying a point load “W” kN at its centre?
a. W kNm
b. W/m kNm
c. W×l kNm
d. W×l/4 kNm
Q. How do point loads and udl be represented in SFD?
a. Simple lines and curved lines
b. Curved lines and inclined lines
c. Simple lines and inclined lines
d. Can’t represent any more