Top 150+ Solved Structural Mechanics MCQ Questions Answer
Q. What is elasticity?
a. ability to re-gain It's original size and shape
b. ability to produce permanent deformation
c. both
d. none of above
Q. What is modular ratio?
a. ratio of deflection in each material
b. ratio of modulus of elasticity of bot h material
c. ratio of load acting in each section
d. all of above
Q. 5 m long bar is under tensile load and due to that increase in length of bar is 1.75 mm then strain =
a. 0.0035
b. 0.0005
c. 0.002
d. 0.0175
Q. which of the following has same unit?
a. modulus of elasticity, pressure, stress
b. elasticity, strain, stress
c. pressure, strain, stress
d. modulus of elasticity, strain, modulus of rigidity
Q. which of the following is type of stress?
a. tensile stress
b. compressive stress
c. shear stress
d. all of the above
Q. Strain is defined as the ratio of
a. change in volume to original volume
b. change in length to original length
c. change in cross-sectional area to original cross-sectional area
d. any one of the above
Q. Hooke's law holds good up to
a. yield point
b. limit of proportionality
c. breaking point
d. elastic limit
Q. Young's modulus is defined as the ratio of
a. volumetric stress and volumetric strain
b. lateral stress and lateral strain
c. longitudinal stress and longitudinal strain
d. shear stress to shear strain
Q. Deformation per unit length in the direction of force is known as
a. Strain
b. lateral strain
c. linear strain
d. linear stress
Q. It equal and opposite forces applied to a body tend to elongate it, the stressso produced is called
a. internal resistance
b. tensile stress
c. transverse stress
d. compressive stress