In a Given Circuit, the Three-Phase Load Has a Power

question 10

Multiple Choice

In a given circuit, the three-phase load has a power requirement of 75 kVA, and the single-phase load requires an additional 50 kVA. Three 25-kVA transformers could be used to supply the three-phase power needed. The addition of the single-phase load, however, requires ____.

• A) one of the transformers to be larger
• B) two of the transformers to be larger
• C) all three of the transformers to be larger
• D) a fourth transformer

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Definitions:

Net Present Value

A method used in capital budgeting to evaluate the profitability of an investment or project, calculating the difference between the present value of cash inflows and outflows.

Cash Inflows

The total amount of money being transferred into a business, typically from operating, investing, and financing activities.

Required Rate of Return

The minimum annual percentage earned by an investment that will induce individuals or companies to put money into a particular security or project.

Internal Rate of Return

A financial metric used to estimate the profitability of potential investments, calculated as the discount rate that makes the net present value of all cash flows from a particular project equal to zero.