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1 what is the distinction between dye and pigment colorantsforming techniques for plastics2 cite four factors that
1 germanium to which 1024 nbspm-3 as atoms have been added is an extrinsic semiconductor at room nbsptemperature and
1 briefly tell what is meant by the drift velocity and mobility of a free electron2 anbspcalculate the drift velocity
1 a computenbsp thenbsp electricalnbsp conductivity of a 70-mm 028-in diameter cylindrical sil- icon specimen 57 mm 225
1 the influence of increasing solution velocity on the overvoltage-versus-log current density behavior for a solution
1 rank the magnitudes of the moduli of elasticity for the will the diameter increase or decrease2 a cylindrical bar of
1 an aluminum bar 125 mm 50 in long and having a square cross section 165 mm 065 in on an edge is pulled in tension
1 what is the magnitude of the maximum stress that exists at the tip of an internal crack hav- ing nbspa nbspradius
1 a cylindrical rod of brass originally 102 mm 040 in in diameter is to be cold worked by drawing the circular cross
1 it is necessary to select a metal alloy for an application that requires a yield strength of at least 310 mpa 45000
1 consider a single crystal of nickel oriented such that a tensile stress is applied along a 001 direction if slip
the wear resistance of a steel shaft is to be improved by hardening its surface this is to this case the initial carbon
a diffusion couple similarnbsp tonbsp that nbspshown in figure 51anbspis prepared using two hypo- thetical metals a and
anbsp nbspcopper-nickelnbsp nbspdiffusionnbsp nbspcouplenbsp nbspsimilar to that shown in figure 51anbspis fashioned
1 the activation energy for the diffusion of cop- per in silver is 193000 jmol calculate the diffusion coefficient
1 briefly explain the concept of steady state as it applies to diffusion2 anbspbriefly explain the concept of a driving
1 cite the relative burgers vector-dislocation line orientations for edge screw and mixed dislocations2 for an fcc
1 molybdenum forms a substitutional solid solution with tungsten compute the number of molybdenum atoms per cubic
1 the metal rhodium has an fcc crystal struc- ture if the angle of diffraction for the 311 set of planes occurs at
218 a briefly cite the main differences between ionic covalent and metallic bondingfor these expressions energies are
for a large fill operation the average permanent load ds9spd on the clay layer will increase by about 75 knm2 the
1 a sandy soil has maximum and minimum dry unit weights of 1808 knm3 and 1446 knm3 respectively and a dry unit weight
1 in figure 1440a for the anchor slab in sandnbsphnbsp5nbsp152 mnbsphnbsp5nbsp091 mnbspbnbsp5nbsp122 ms9nbsp5nbsp213