Strength of Materials - Section 4 Multiple Questions and Answers.




11.The Bulk modulus (K) of a material having Young’s Modulus (E) = 200 GPa and Modulus of Rigidity (G) = 80 GPa is
A. 160 GPa
B. 250 GPa
C. 133.3 GPa
D. 233.3 GPa

12.The ratio of change of dimension of the body to the original dimension is known as
A. Pressure
B. Force
C. Stress
D. Strain

13.The shearing stress in a piece of structural steel is 100 MPa. If the elastic modulus is 200 GPa and the Poisson’s ratio is 0.25, then the shearing strain γ would be
A. 800
B. 1.25
C. 0.8 rad
D. 0.00125 rad

14.The ratio of axial deformation to the original length of the body is known as
A. Poisson’s ratio
B. Linear Strain
C. Linear stress
D. Lateral Strain

15.The stress induced in a body, when subjected to two equal and opposite forces which are acting tangentially across the section is known as
A. Bending stress
B. Shear stress
C. Tensile stress
D. Compressive stress

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