   Chapter 18, Problem 10R ### Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695

#### Solutions

Chapter
Section ### Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
ISBN: 9781305494695
Textbook Problem
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# How long would it take to purge a 15-ft section of 6-in. diameter pipe using a flow rate of 35 cfh?

To determine

Time to take to purge a 15-ft section of 6-in diameter pipe using a flow rate of 35 cfh.

Explanation

Given information:

Diameter of pipe is 6in, section of purge is 15ft and the flow rate is 35cfh.

Concept used:

Time of purging is expressed as follows:

t=π4d2hQ......(1)

Here, time of purging is t, diameter of the pipe is d, height of the pipe is h and flow rate is Q.

Calculation:

Substitute 35cfh for Q, 15ft for h and 6in for d in equation (1)

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