Engineering, 16.12.2019 21:31, mariaceleste110505
Asinusoidal wave on a transmission line is specified by voltage and current in phasor form: v s ( z ) = v 0 e α z e j β z and i s ( z ) = i 0 e α z e j β z e j ϕ where v0 and i0 are both real. (a) in which direction does this wave propagate and why? (b) it is found that α = 0, z0 = 50 ω, and the wave velocity is vp = 2.5 × 108 m/s, with ω = 108 s−1. evaluate r, g, l, c, λ, and ϕ.
Answers: 2
Engineering, 03.07.2019 14:10, volleyballfun24
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10, 0436500
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Asinusoidal wave on a transmission line is specified by voltage and current in phasor form: v s ( z...
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