Top 1000+ Solved Strength of Materials MCQ Questions Answer
Q. The modulus of resilience in shear is nearly
a. 380 kJ/m3
b. 260 kJ/m3
c. 150 kJ/m3
d. 95 kJ/m3
e. None of the above
Q. The numerical values of Young's modulus of elasticity in descending order for wood, lead, glass, steel and phospor brouze is given by
a. Steel, Wood, Lead Phosphor-bronze, Glass
b. Steel, Glass, Phosphor-bronze, Lead Wood
c. Steel, Phosphor-bronze, Glass, Lead and Wood
d. Steel, Lead, Wood, Phosphor-bronze, Glass
e. Steel, Phosphor-bronze, Wood, Glass, Lead
Q. The damping capacity of a material is its capacity to
a. Provide rigid joints
b. Neutralise torsional stress
c. Absorb shocks and vibrations
d. Absorb noise
e. Withstand shear stress
Q. A section is subjected to reversal of stress. Choice exists for selecting any of the following section. Which one should be selected?
a. Hollow pipe
b. Equal angle iron
c. Unequal angle iron
d. T-section
e. None of the above
Q. The diameter of corresponding Mohr circle will represent
a. 80 MPa
b. 50 MPa
c. 30 MPa
d. 20 MPa
e. None of the above
Q. For a beam of length L fixed at one end, supported at the other and loaded W at the centre C the maximum bending moment with occur at
a. Simply supported end
b. Between supported end and centre
c. Between fixed end and centre
d. Centre
e. Fixed end
Q. In SI units, one bar is equal to
a. 0.1 N/mm2
b. 1.0 N/mm2
c. 1.0 N/cm2
d. 10.0 N/m2
e. None of the above
Q. The instrument used for the measurement of expansion and contraction due to change in temperature, is known as
a. Dilatometer
b. Bolometer
c. Padometer
d. Tellurometer
e. None of the above
Q. A piece of steel plate is subjected to perpendicular stresses of 50 Mpa and 30 Mpa both tensile. The normal stress is
a. 8.6 MPa
b. 14.4 MPa
c. 26.6 MPa
d. 48.4 MPa
e. None of the above
Q. In case of thin walled cylinders the ratio of hoop stress to maximum shear stress stress is
a. 2
c. 4
d. None of the above
Q. Highest factor of safety is usually taken for
a. dead
b. live load
c. shock load
d. None of the above
Q. The bending moment diagram in case of a cantilever beam carrying a linearly varying load from zero at free end to maximum at supported end will be a
a. Cubic parabola
b. Inverse hyperbola
c. Traingle
d. Parabola
e. Rectangle
Q. The ratio of stress produced by suddenly applied load to that produced by the same load when gradually applied is
a. 4
c. 1
d. 2
e. The maximum energy stored at elastic limit per unit volum
Q. While evaluating the strength of riveted joint in shearing, bearing or tension the calculations are based on
a. Actual size of rivet
b. Actual size of hole drilled for the rivet
c. Mean of the size of hole and drilled hole
d. Smaller of the two holes
e. None of the above
Q. The modulus of rigidity is defined as
a. The ratio of true stress to true strain
b. The ratio of shear stress to shear strain
c. The ratio of longitudinal stress to longitudinal strain
d. The ratio of twisting moment to cross-sectional area
e. None of the above