Engineering, 18.09.2019 02:00 iibabycarrotsii
2. a transmission line has the following per-unit-length parameters: l = 0.15 µh/m, c = 600 pf/m, r = 7.0 ω/m, and g = 0.01 s/m. calculate the propagation constant and characteristic impedance of this line at 2.4 ghz. if the line is 5 cm long, what is the total attenuation in db? recalculate these quantities in the absence of loss (i. e., r = g = 0). 3. a lossless transmission line is terminated with a 75ω load. if the swr on the line is 1.2, nd the two possible values for the characteristic impedance of the line. 4. calculate swr, reection coecient magnitude, and return loss values to complete the entries in the following tabl
Answers: 3
Engineering, 04.07.2019 18:10, niyawilliams23
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:10, alyssabailey7545
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10, redrosesxx
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
2. a transmission line has the following per-unit-length parameters: l = 0.15 µh/m, c = 600 pf/m, r...
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