Related Questions

Isotropic turbulence occurs
A Where there is no velocity gradient
B At higher temperatures
C Only in Newtonion fluids
D None of these
Isotropic materials have the same __________ in all directions.
A Induced stresses
B Density
C Elastic properties
D Thermal properties
Isotropic materials have the same __________ in all the directions.
A Thermal properties
B Elastic properties
C Stresses
D All of the above
While propagating through homogeneous, isotropic media,
A Directions of both the fields are orthogonal
B Both the fields are at right angles to the direction of propagation
C Both (A) and (B)
D Neither (A) nor (B)
The power gain of a half-wave dipole with respect to an isotropic radiator is
A 2.15 db
B 3 db
C 4.15 db
D 6 db
Isotropic materials are those which have the same
A Elastic properties in all directions
B Stresses induced in all directions
C Thermal properties in all directions
D Electric and magnetic properties in all directions
In a simple bending theory, one of the assumptions is that the material of the beam is isotropic. This assumption means that the
A Normal stress remains constant in all directions
B Normal stress varies linearly in the material
C Elastic constants are same in all the directions
D Elastic constants varies linearly in the material
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)
Choose the correct synonym of "Turbulence "
A Traditionally
B Certainly
C Turmoli
D Restless
Tendency to turbulence flow is directly proportional to
A Diameter of the blood vessel
B Density of blood
C Velocity of blood flow
D Viscosity of blood
E Elasticity of vessel wall

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