Engineering, 15.10.2019 17:10 jazmaine1217
Three parallel three-phase loads are supplied from a 480v (line-line rms), 60 hz three-phase supply. the loads are as follows: load 1: a 20hp motor operating at full load, 90% efficiency and a 0.8 lagging power factor. load 2: a balanced resistive load that draws a total of 20kw. load 3: a y-connected capacitor bank with a total rating of 20kvar. what is the total system kw ?
Answers: 1
Engineering, 04.07.2019 18:10, niicoleassssssf
Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86
Answers: 2
Engineering, 04.07.2019 18:20, RiverH246
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point. the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Three parallel three-phase loads are supplied from a 480v (line-line rms), 60 hz three-phase supply....
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