"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?

"ldentify an operational improvement initiative in your work area. Using the project management life-cycle framework as a guide, prepare a plan to implement this project. Ensure you discuss the following:a. Prepare a brief project definition document.b. Your plan for managing stockholder input/influencec. What risks might be present and how you intend to manage it.d. Generally how the performance criteria of time, cost and quarity wiil bemanaged/controlle...

"The heat needed to evaporate water from the ocean is about 10 kcal/mole. How many joules of solar energy are consumed in the evaporation of a kg of water from the ocean?2.) Compare the thermal energy stored in atmospheric moisture in question 1 to the gravitational potential energy released when that moisture falls as rain from an altitude of 10 km. (Find and compare these 2 values.)"

"National Supermarkets is selling ground beef this week at the following prices:2.00/lb (packages less than three pounds)1.00/lb (packages of three pounds or more)a. Find the function that describes, the cost if a package, as a function of X, the number of pounds of ground beef in the package.b. Sketch the graph of this functionc. How much money does a shopper save if he buys one 3 pound package instead of three 1 pound packages. Where does the savings ap...

While Managers do not control many factors affecting the success of their organisation, they do have substantial control over the process they use to make decisions Discuss with a case study on any corporation on how their effective management and decision making process could have an impact on organisation success?

Calculate the price elasticity of demand for the product below using average values for the prices and quantities in your formula. Over the price range in question, is this demand schedule price inelastic, unitary elastic, or elastic? Is total revenue greater at the lower price or at the higher price?

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.

Joe Alvarez has filed a complaint with the EEO alleging his employer, Universal Mortgage Company, promotes more whites than Hispanics into managerial positions. Explain the statistical methods used by the EEOC to investigate this adverse impact claim.

Let φ : G → G’ be a group of homomorphism and let N be a normal subgroup G. Show that φ(N) is normal in G’.

"Solve for X, Y, and Z using either substition or elimination methods:22X + 5Y + 7Z = 12; 10X + 3Y + 2Z = 5; 9X + 2Y + 12Z = 14"

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