One Section of a Pipe Carrying Water Has a Cross-Sectional

question 14

Multiple Choice

One section of a pipe carrying water has a cross-sectional area of 16 cm²; in this section the water has flow velocity of 1.0 m/s. Another section of this pipe has a constricted cross-sectional area of 4 cm². If the flow is steady, what is the water velocity in the constricted section?

• A) 4.0 m/s
• B) 2.0 m/s
• C) 1.0 m/s
• D) 0.50 m/s
• E) 0.25 m/s

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Definitions:

Present Value Factors

Multipliers used to determine the present value of future cash flows by accounting for the time value of money.

Future Value Factors

Numerical factors used to calculate the future value of an investment after accounting for interest rates and time periods.

Reciprocals

Mathematical expressions that represent the inverse of a given number or quantity, such that the product of a number and its reciprocal equals one.

Present Value

The present calculation of a future monetary amount or series of cash inflows, using a particular return rate.