Workmen Are Digging Up the Road Using Pneumatic Tools

question 66

Multiple Choice

Workmen are digging up the road using pneumatic tools.If a single tool creates a noise level of 88 decibels a few meters away,calculate the noise level if four such tools were in operation the same distance away.

• A)176 dB
• B)90 dB
• C)352 dB
• D)94 dB
• E)92 dB

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Definitions:

NPV

Net Present Value, a calculation that represents the difference between the present value of cash inflows and the present value of cash outflows over a period of time.

Discount Rate

The interest rate that a central bank charges financial institutions for short-term loans, or used in discounted cash flow (DCF) analysis to present value future cash flows.

APR

The Annual Percentage Rate, which is the interest rate for a whole year on a loan, including fees.

Present Value Payback Period

A capital budgeting technique that calculates the period of time required for the present value of future cash flows to cover the initial investment cost.