Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. The units of modulus of elasticity are the same as of
a. stress
b. modulus of rigidity
c. pressure
d. any of the above
Q. Temperature stress is a function of
a. modulus of elasticity
b. coefficient of linear expansion
c. change in temperature
d. all of the above
Q. Factor of safety is defined as ratio of
a. ultimate stress to allowable stress
b. ultimate stress to yield stress
c. allowable stress to yield stress
d. allowable stress to ultimate stress
Q. The stress at which elongation of a material is quite large as compared to increase in load is known as
a. ultimate point
b. yield point
c. elastic limit
d. rupture point
Q. Poisson's ratio is defined as ratio of
a. axial strain to transverse strain
b. transverse strain to axial strain
c. shear strain to axial strain
d. axial strain to shear strain
Q. During free expansion due to temperature rise or fall,
a. no stress is developed
b. no strain is developed
c. both are developed
d. only stress is developed but strain not developed
Q. Thermal stress is developed in a temperature when _.
a. allowed to expand freely
b. not allowed to expand freely
c. either a) or b)
d. none of the above
Q. Which of the following beams will develop thermal stress when subjected to a change in temperature ?
a. cantilever beam
b. beam with hinges at both ends
c. simply supported beam
d. none of the above
Q. Change in length of a rod due to change in depend on _.
a. original length
b. change in temperature
c. modulus of elasticity
d. coefficient of thermal expansion