A three phase load draws 100kw at a poer factor of 07
A three phase load draws 100kW at a poer factor of 0.7 laggaing from a 220V line to line. In parallel with this load is a three phase capacitor bank which draws 60kVAR. Find the total line current and the resultant power factor.
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A ship of 200 m in length is viewed head-on with a radar. What is the time extent of the return pulses seen by a short pulse radar? Show work and equations for full points.
A three phase motor draws 20kva at 0.7 lagging power factor from a 240 V source. Determine the kVAR rating of the capacitors to make the combined power factor 0.9 lagging and determine the line current before and after the capacitors are added.
The heat of combustion of bituminous coal is 2.5 × 104 J/g. What quantity of the coal is required to produce the energy to convert 100. lb of ice at 0°C to steam at 100°C
Two railroad cars, each of mass 7300 kg and traveling at 73 km/h, collide head on and come to rest. How much mechanical energy is lost in this collision
What radar bandwidth is required to resolve the two targets? If the radar is a monotone pulse radar, what should be the maximum pulse duration?
What is the difference between significance and meaningfulness?
A car of mass 1286.6 kg is moving at a speed of 67.6 mph when it misses a curve in the road and hits a bridge piling, how much average power (in watts) is expended in this interval
What is the recommended production rate if a level strategy is adopted with no backorder or stockouts? What is the ending inventory for month 4 under this plan?
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