Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. The relation between E (modulus of elasticity) and K (bulk modulus of elasticity) is given by
a. e=k(1-2µ)
b. e=2k(1-2µ)
c. e=3k(1-2µ)
d. e=4k(1-2µ)
Q. Relation between E, K and C is given by
a. e=9kc/(3k+c)
b. e=(3k+c)/6kc
c. e=6kc/(k+3c)
d. e=3kc/(3k+c)
Q. Which of the following statement is incorrect?
a. stress is directly proportional to strain within elastic limit
b. the stress is force per unit area.
c. hooke's law holds good up to the breaking point
d. the ratio of linear stress to linear strain is called young's modulus.
Q. When a bar is subjected to a change of temperature and its deformation is prevented, which of the following stress is induced?
a. thermal stress
b. shear stress
c. tensile stress
d. compressive stress
Q. Temperature stress developed in a bar depends on which of the following?
a. coefficient of linear expansion
b. change of temperature
c. young's modulus
d. all of above
Q. The temperature strain in a bar is ……………..proportional to the change intemperature.
a. directly
b. indirectly
c. either of above
d. none of the above
Q. …………….Strain is the deformation of the bar per unit length in thedirection of force.
a. volumetric
b. shear
c. lateral
d. linear
Q. Strain in a direction at right angles to the direction of applied force is known as
a. lateral strain
b. shear strain
c. volumetric strain
d. none of the above
Q. A localized compressive stress at the area of contact between two membersis known as ……………..stress.
a. shear
b. crushing
c. bending
d. tensile
Q. A material with identical properties in all directions is known as
a. homogeneous
b. isotropic
c. elastic
d. none of the above
Q. In a lap riveted joint the rivets are mainly subjected to --------------stress
a. shear
b. tensile
c. bending
d. compressive
Q. The resistance to deformation of a body per unit area is known as
a. stress
b. strain
c. modulus of elasticity
d. modulus of rigidity
Q. stress developed due to external force in an elastic material
a. depends on elastic constants
b. does not depend on elastic constants
c. depends partially on elastic constants
d. none of the above