"Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Using per unit system, calculate: a. the secondary line voltage. b. the primary and secondary line currents when supplying this load. "

Explain what appears to be the improved trade-off between inflation and unemployment in the U.S. What factors might improve the trade-off? What factors would make it worse?

"(1) Create an Activity-on-Node network diagram (use Microsoft Visio or some other graphics tool).(2) Calculate and state the ES (early start), LS (late start), EF (early finish), and LF (late finish) values (place into the diagram).(3) Calculate and state the Total Slack values for each activity (place into the diagram).(4) What is the critical path?(5) What is the projected project end date?(6) If the Load Firmware activity (i.e., Activity 6) duration i...

"1.Assume initially all firms that produce a product X in a perfectly competitive market earn normal profit. There is a drop in consumers' preference for X such that the market demand decreases.(i) What will happen to all the firms in the short run equilibrium? Explain with a suitable industry and firm diagram.(ii) How would the firms adjust to the long run equilibrium? Explain with a suitable industry and firm diagram.2.Explain with the aid of a diagram why monopoly i...

Preparing a schedule showing a vertical analysis for two years analyzing the Financial Statements prepared

Warranty Actions and strict liability in tort each provide a distinct basis for a plaintiff’s Recovery for harm cause by a defective product.

Finding the second derivative of the given function.

If the currency-to-deposit ratio increases, what effect, if any does this have on the monetary base, the money supply, total deposits, and economic growth?A. Does the Federal Reserve have complete control over the money supply at all times? Why or Why not?B. What is the difference between the monetary base and the money supply?

Calculate the present value of the following:a. $7700 to be received three years from now with a 5% Interest rateb. $1500 to be received five years from now with a 7% interest ratec. $7200 to received two years from now with a 11% interest rated. $680,000 to be received eight years from now with a 9% interest rate.

Automobiles use 12volt batteries. If an automobile tail light is required to draw a 500mA current. How much electrical power does it use? Need the answer and formula.

Five neighborhoods (NB) all want to raise money for a playground for their kids. The neighborhood that raises the most money will be able to choose the name of the park. To raise money, they all decide to have a bake sale and sell cookies (C), cakes (K), and muffins (M). They plan to sell their bake goods on Saturday morning for 3 weeks. Following are the results of the first 2 weeks. The numbers represent the number of cookies, cakes, and muffins sold.