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What is piezoelectricity?
Piezoelectricity: Piezoelectricity gives us a means of changing electrical energy to suppose new geometric positions and the mechanical dimensions of the substance are changed. This phenomenon is known as electrostriction. The reverse effect i.e. production of polarization by the application of mechanical stresses can take place only if the lattice has no center of symmetry, this phenomenon is called as piezoelectricity. Example - Rochelle salt, Quartz, Barium titante.
Define Cohesive energy Cohesive energy can be described as the difference among the average energy of the atoms of a solid (especially a crystal) and that of the free atoms.
Bulk defects * Voids are little regions where there are no atoms, and can be thought of as clusters of vacancies. * Impurities can cluster jointly to form small regions of a
What is the phase rule and what does it indicate? Gibbs' phase rule is the fundamental rule on which phase diagrams are based. It gives the number of degrees of freedom for a g
a wet gas is produced through a two -stage seperator system. the 555 psia -89degree fahrenheit separator produces 170,516 scf/stb, and the 70 degree farenheith stock tank produces
Porosity: The property of the refractory brick is the ratio of its pore volume to the total volume. The refractory material with high porosity is not preferred for furnace lining
Could help with Hysys design assinment?
in the combustion of heptane in oxygen CO2 was produced.if 500kg of dry ice was produced of which 50% of the CO2 was converted to dry ice,what is the amount of heptane needed to bu
what is the heat capacity of Sodium lauryl sulfate
to determine the emf of cell uaing pottentiometre
Draw the B-H curve for a ferro-magnetic material and identify the retentivity and the coercive field on the curve. B-H curve for a ferromagnetic material is drawn a
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