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What engine pump pressure is necessary to deliver 200 gpm through 200 feet of 2-1/2" hose to a fog nozzle at ground level?



A. 122 PSI
B. 135 PSI
C. 108 PSI
D. 116 PSI

This question is part of Pumper Driver Exam 3
Asked by Cj, Last updated: Dec 25, 2019

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2 Answers

Larry Thornton

Curious about the World

Larry Thornton, Student, MBA, Los Angles

Answered Mar 27, 2019

D is the answer to this question. The PSI stands for Pound-force per square inch. This is known as one of the units of pressure. This is used in different ways. One of the most notable ways that this is used is whenever people dive. They usually bring tanks of oxygen with them that contain a certain PSI. Take note that the reading of this will always differ when they are already at sea level. There are some divers who will determine if they already need to go resurface if they do not...Read More
 

cj

Cj

Answered Feb 24, 2018

116 psi
 

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