Exam Study Guide: Pipe Measurement

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When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to study and prepare for exam questions. Take a look at this sample water treatment licensing question along with an explanation of the correct answer.

Sample Question:

The C factor of a pipe is the measurement of:

A) The smoothness of the interior of the pipe
B) The weight of the pipe
C) The length of the pipe
D) The amount of external pressure the pipe will withstand

Answer: The higher the C factor, the smoother the interior of the pipe is. The smoother the pipe, the more carrying capacity it has. It is also more energy efficient because the pumps and motors to not have to work as hard to move the water.  

So, the correct answer is A.

Reference: Water Distribution Operator Training Handbook. 3rd Edition, American Water Works Association. Page 47,48

About the author
Drew Hoelscher is the program director of drinking water operations at the Environmental Resources Training Center (ERTC) in Edwardsville, Illinois.


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