Related Questions

If the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
A 2C
B 3C
C $$\frac{{2{\text{C}}}}{3}$$
D $$\frac{{3{\text{C}}}}{2}$$
The ratio of shear modulus to the modulus of elasticity for a poisson's ratio of 0.4 will be
A 14/5
B 7/5
C 5/14
D 5/7
The relation between Young's modulus (E), shear modulus (C) and bulk modulus (K) is given by
A $${\text{E}} = \frac{{3{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
B $${\text{E}} = \frac{{6{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
C $${\text{E}} = \frac{{9{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
D $${\text{E}} = \frac{{12{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?
A E = 2G (1 + v)
B E = G (1 + v)
C $${\text{E}} = \frac{{{\text{G}}\left( {1 + {\text{v}}} \right)}}{2}$$
D E = 2G (1 + 2v)
The strain energy stored in a body due to shear stress, is (where $$\tau $$ = Shear stress, C = Shear modulus and V = Volume of the body)
A $$\frac{{\tau {\text{V}}}}{{2{\text{C}}}}$$
B $$\frac{{2{\text{C}}}}{{\tau {\text{V}}}}$$
C $$\frac{{{\tau ^2}{\text{V}}}}{{2{\text{C}}}}$$
D $$\frac{{2{\text{C}}}}{{{\tau ^2}{\text{V}}}}$$
The unit of modulus of elasticity is same as those of
A Stress, strain and pressure
B Stress, force and modulus of rigidity
C Strain, force and pressure
D Stress, pressure and modulus of rigidity
The Young's modulus of elasticity of steel, is
A 150 KN/mm2
B 200 KN/mm2
C 250 KN/mm2
D 275 KN/mm2
The bulk modulus of elasticity of a liquid
A Is zero for incompressible liquid
B Decreases with pressure
C Is independent of temperature & pressure
D Increases with pressure
For an incompressible fluid, the bulk modulus of elasticity is
A 5 kg/m3
B $$\infty $$ N/m2
C 1 N
D 0 N/m
The value of modulus of elasticity for mild steel is of the order of
A 2.1 × 105 kg/cm2
B 2.1 × 106 kg/cm2
C 2.1 × 107 kg/cm2
D 0.1 × 106 kg/cm2

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