If you have a duplex, single acting,...

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Question 1 of 205eccef9bbacbc34ba4d454ff

If you have a duplex, single acting, reciprocating pump making 140 strokes/minute with a 3" diameter cylinder, and a 12" stroke with a 94% volumetric efficiency, what is the capacity of this pump?

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5eccef9bbacbc34ba4d454ff

If you have a duplex, single acting, reciprocating pump making 140 strokes/minute with a 3" diameter cylinder, and a 12" stroke with a 94% volumetric efficiency, what is the capacity of this pump?

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🔍 Key Concepts

• How to compute pump displacement per stroke for a reciprocating pump using cylinder diameter and stroke length • What duplex and single acting mean for the number of cylinders and how many strokes per revolution actually move liquid • How to apply volumetric efficiency to convert theoretical displacement to actual capacity

💭 Think About

• First, find the volume displaced by ONE cylinder in ONE stroke using the area of the piston and the stroke length. What is that formula? • Next, for a duplex, single acting pump running at 140 strokes/minute, how many liquid-delivering strokes per minute do you really have? Does each cylinder discharge on every stroke or every other stroke? • After getting total volume per minute in cubic inches or cubic feet, how do you convert that to gallons per minute, and then apply 94% volumetric efficiency?

✅ Before You Answer

• Be sure you use the area of the 3-inch diameter correctly (remember radius vs diameter) • Confirm the correct number of cylinders and effective strokes per minute for a duplex, single acting pump • Apply the 0.94 efficiency factor only after finding the theoretical capacity in consistent units, then compare to the answer choices

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Question 1 of 205eccef9bbacbc34ba4d454ff

If you have a duplex, single acting, reciprocating pump making 140 strokes/minute with a 3" diameter cylinder, and a 12" stroke with a 94% volumetric efficiency, what is the capacity of this pump?

Back

Question 1 of 20

5eccef9bbacbc34ba4d454ff

If you have a duplex, single acting, reciprocating pump making 140 strokes/minute with a 3" diameter cylinder, and a 12" stroke with a 94% volumetric efficiency, what is the capacity of this pump?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed