Top 150+ Solved Structural Mechanics MCQ Questions Answer
Q. Point of contra-flexure is also called
a. Point of maximum Shear force
b. Point of maximum Bending moment
c. Point of inflexion
d. Fixed end
Q. The slope of shear force line at any section of the beam is also called
a. Bending moment at that section
b. Rate of loading at that section
c. Maximum Shear force
d. Maximum bending moment
Q. The direction of shear stress in a loaded beam is
a. Horizontal
b. Horizontal as well as vertical
c. Vertical
d. None
Q. Shear stress in the beam acting on the cross section is
a. Normal to the cross section
b. Tangential to the cross section
c. Neither normal nor tangential
d. None
Q. Which type of load is applied in tensile testing?
a. Axial load
b. Shear load
c. Transverse load
d. Longitudinal load
Q. Which law is also called as the elasticity law?
a. Bernoulli’s law
b. Stress law
c. Hooke’s law
d. Poisson’s law
Q. The materials which have the same elastic properties in all directions are called __________
a. Isotropic
b. Brittle
c. Homogeneous
d. Hard
Q. The calculation of the moment of the body due to the loadings involve a quantity called ____________
a. Moment
b. Inertia
c. Moment of Inertia
d. Rotation
Q. What is parallel axis theorem and to whom it is applied?
a. Theorem used to add the two mutually perpendicular moment of inertias for areas
b. Theorem used to add the two mutually perpendicular moment of inertias for volumes
c. Theorem used to add the two mutually perpendicular moment of inertias
d. Theorem used to add the two mutually perpendicular moment of inertias for vectors
Q. The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance.
a. Linear
b. Non-Linear
c. Perpendicular
d. Parallel
Q. In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________
a. Linearly
b. Non-Linearly
c. Parabolically
d. Cubically
Q. The ratio between direct stress and volumetric strain is:
a. Bulk modulus
b. Poisson’s ratio
c. Factor of safety
d. Modulus of rigidity
Q. Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400C. what will be developed?
a. Compressive stress
b. Tensile stress
c. Shear stress
d. No stress