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Module 1: Basic Concepts - Dimensional Calculations - Answers

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Q icon #1
What is the volume of a pipe that is 10 feet long and has an inside diameter of 4 inches? See Figure 1:
Figure 1 Dimensions of Pipe

Given:equation 1

Where: r = radius of circle
A icon
Answer: 0.879 ft3 or 1,507.2 in.3

Solution:
Did you remember to convert the diameter and length to the same units? The inclusion of units when solving this problem helps remind us to convert the radius of the pipe from inches to feet.

Problem solved in (feet)3
equation 1a

Problem solved in (inches)3
equation 1b

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