What RPM is associated with the system that uses 225 GPM pumps?

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Prepare for the 92F Petroleum Supply Specialist Test. Utilize flashcards and multiple-choice questions, complete with hints and explanations. Ace your exam now!

Multiple Choice

What RPM is associated with the system that uses 225 GPM pumps?

Explanation:
In a centrifugal pump setup, the flow you get from a pump is largely set by how fast the pump is turning. These systems typically use standard two‑pole motors at 60 Hz, which run near 3600 rpm, but the actual running speed is a bit lower because of motor slip. For pumps designed to move around a couple hundred gallons per minute, the operating point that lines up with the system’s demand of about 225 GPM sits at roughly 3400 rpm. So the RPM that matches the 225 GPM pumps in this system is about 3400 rpm. The other speeds are either too low to reach 225 GPM, or too high for these common two-pole motor setups, making 3400 rpm the best‑fit value for achieving that flow on the typical pump curves used in this context.

In a centrifugal pump setup, the flow you get from a pump is largely set by how fast the pump is turning. These systems typically use standard two‑pole motors at 60 Hz, which run near 3600 rpm, but the actual running speed is a bit lower because of motor slip. For pumps designed to move around a couple hundred gallons per minute, the operating point that lines up with the system’s demand of about 225 GPM sits at roughly 3400 rpm. So the RPM that matches the 225 GPM pumps in this system is about 3400 rpm.

The other speeds are either too low to reach 225 GPM, or too high for these common two-pole motor setups, making 3400 rpm the best‑fit value for achieving that flow on the typical pump curves used in this context.

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