Which of the listed conditions will occur if...

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Question 1 of 205eccef9bbacbc34ba4d45536

Which of the listed conditions will occur if the discharge pressure of a rotary pump is increased from the designed 50 psi to 300 psi, while maintaining the same RPM?

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5eccef9bbacbc34ba4d45536

Which of the listed conditions will occur if the discharge pressure of a rotary pump is increased from the designed 50 psi to 300 psi, while maintaining the same RPM?

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🔍 Key Concepts

• Rotary pump as a positive-displacement pump (what happens to flow when pressure changes?) • Effect of higher discharge pressure on internal leakage/slippage in a positive-displacement pump • Relationship between capacity (flow rate), slip, and efficiency at higher pressures

💭 Think About

• If the RPM stays the same, what would the theoretical displacement per revolution be? Does this depend on pressure? • When pressure inside the pump casing increases, how does that affect leakage past clearances between rotating and stationary parts? More leakage or less? • How would increased internal leakage affect the actual capacity delivered to the discharge line and the pump’s overall efficiency?

✅ Before You Answer

• Verify that a positive-displacement rotary pump’s theoretical capacity (without slip) is mainly a function of displacement per revolution and RPM, not discharge pressure. • Consider whether internal liquid slippage tends to increase or decrease as differential pressure across clearances increases. • Decide whether increased slip would cause more or less flow actually delivered to the system, and whether that would improve or reduce efficiency.

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Question 1 of 205eccef9bbacbc34ba4d45536

Which of the listed conditions will occur if the discharge pressure of a rotary pump is increased from the designed 50 psi to 300 psi, while maintaining the same RPM?

Back

Question 1 of 20

5eccef9bbacbc34ba4d45536

Which of the listed conditions will occur if the discharge pressure of a rotary pump is increased from the designed 50 psi to 300 psi, while maintaining the same RPM?

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