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 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 $${\text{E}} = \frac{{12{\text{KC}}}}{{3{\text{K}} + {\text{C}}}}$$
The relation between Young's modulus (E) and bulk modulus (K) is given by
A $${\text{K}} = \frac{{3{\text{m}} - 2}}{{{\text{mE}}}}$$
B $${\text{K}} = \frac{{{\text{mE}}}}{{3{\text{m}} - 2}}$$
C $${\text{K}} = \frac{{3\left( {{\text{m}} - 2} \right)}}{{{\text{mE}}}}$$
D $${\text{K}} = \frac{{{\text{mE}}}}{{3\left( {{\text{m}} - 2} \right)}}$$
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)
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
Bulk modulus of a fluid is the ratio of
A Shear stress to shear strain
B Increase in volume to the viscosity of fluid
C Increase in pressure to the volumetric strain
D Critical velocity to the viscosity of fluid
Bulk modulus of a fluid __________ as the pressure increases.
A Remain same
B Decreases
C Increases
D None of these
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
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
The bulk modulus of elasticity
A Has the dimensions of 1/pressure
B Increases with pressure
C Is large when fluid is more compressible
D Is independent of pressure and viscosity

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