Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. Laminated springs are generally
a. loaded at ends and supported at centre
b. loaded at centre and supported at ends
c. loaded as well as supported at centre
d. loaded as well as supported at ends
e. None of the above
Q. A body having similar properties throughout its volume is said to be
a. Uniform
b. Isotropic
c. Contimuous
d. Homogeneous
e. Isentropic
Q. The units of true strain are
a. cm/cm
b. kg/cm
c. kg-cm/cm
d. Dirnensionless
e. None of the above
Q. A material capable of absorbing large amounts of energy is known as
a. Ductile
b. Shock proof
c. Resilient
d. Hard
e. Tough
Q. For beam of length L fixed at two ends A and B and loaded W at the centre C the maximum bending moment will
a. Occur at A
b. Occur at B
c. Occur at C
d. (A) and (B) above
e. (A) (B) and (C) above
Q. In M.L.T. system the dimensions of Young's modulus of elasticity are
a. MLT
b. ML-1 T-2
c. MLT-2
d. ML-2 T-2
e. MLT-1
Q. If, for a given material, the modulus of elasticity is equal to twice its modulus of rigidity (G), then the bulk modulus is
a. 2 G
b. 0.33 G
c. 9 G
d. 0.67 G
e. None of the above
Q. The modulus of resilience is
a. The energy stored in a body
b. Strain energy stored in a specimen when strained within elastic limit
c. The maximum energy stored at elastic limit per unit volume.
d. Strain energy stored in a specimen when strained beyond elastic limit
e. The maximum energy stored at elastic limit
Q. The strain energy stored in a specimen when strained within elastic limit is known as
a. Proof strain energy
b. Strain energy
c. Elastic limit strain energy
d. Resilience
e. None of the above
Q. Euler's formula is not applicable to columns
a. with both ends free
b. with both ends fixed
c. of composite material
d. having slenderness ratio less than 80
e. None of the above
Q. A non-wielding support means
a. Support that restores elongation after the load is removed
b. Slope of the beam at the support is zero
c. Support is frictionless
d. Support that does not elongate
e. Support holds the load firmly and safely
Q. The moment of inertia of an area will be least with respect to
a. central axis
b. horizontal
c. vertical axis
d. moment of area does not depend on axes
e. None of the above
Q. If this shaft is to be replaced by a hollow shaft of texternal diameter 22 mm for the same maximum shear stress and same torque, the internal diameter will be
a. 15.5 mm
b. 11 mm
c. 21 mm
d. 31 mm
e. 51 mm
Q. A column is known as short column if
a. The length is more than 30 times the diameter
b. The slenderness ratio is more than 32
c. Slenderness ratio is more than 120
d. The length is less than 8 times the diameter
e. The length is 15 times the diameter